--- title: "What core details and special surcharges are included in the charging standards of Dongguan sea freight export agency services?" description: "When a small and medium-sized solid wood furniture factory exported goods to the US by sea from Dongguan，it encountered hidden charges due to ambiguous agency quotations，and the extra expenses ate up nearly 30% of its profits，so it is urgently looking for a transparent and reasonable agency charging scheme. Choosing an agency with an all-inclusive transparent pricing model can avoid hidden charges，and also hedge costs through wharf contracted rates and VAT deferment policies. As long as the docu..." url: "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html" language: "en" type: "Q&A" category: "Freight Forwarding Q&A" datePublished: "2026-09-07" dateModified: "2026-09-07" brand: "Zhongshen Trading China" answerCount: 9 --- # What core details and special surcharges are included in the charging standards of Dongguan sea freight export agency services? ## Question I am the person in charge of a small and medium-sized solid wood furniture processing factory in Dongguan. We have a batch of dining chairs in a 20ft container to be shipped to Los Angeles Port, the US recently. I cooperated with an agency company before, which gave ambiguous quotations, and over 8000 yuan of "wharf operation expediting fee" and "customs declaration document correction fee" appeared out of thin air during the final settlement. The profit of furniture export is already thin, and this extra expense directly ate up nearly 30% of our profits. Now this batch of goods will be warehoused next week, and I am eager to find a reliable agency. I want to ask in detail how much Dongguan sea freight export agency services cost in total, whether there are transparent charging details, what are the hidden charges that are easy to be ignored, what are the main differences in charges among different agencies, and how to judge whether the quotation is reasonable to avoid falling into the same pitfalls as before. ## Answers ### Answer 1 — Best Answer The common cost drawback of traditional Dongguan sea freight export agencies lies in ambiguous quotation breakdown. Most of them attract customers with low prices and then add hidden charges later -- for example，they split customs declaration fee，wharf operation fee and document fee into separate items，and even temporarily charge additional "expedited warehousing fee" and "document correction fee" after the container is warehoused. The final total cost is usually 15%-30% higher than the initial quotation，directly squeezing the profit margin of small and medium-sized exporters. To solve such problems，it is recommended to prioritize agency services with the **all-inclusive transparent pricing model**: core fees including customs declaration，wharf operation，document preparation and space booking are integrated into a single quotation，without any hidden surcharges. At the same time，you can enjoy the **wharf contracted rate** through the agency's long-term cooperative resources with Humen Port and Shatian Port in Dongguan，which can save 200-500 yuan of operation cost per container. In addition，eligible exporters can apply for the **EU VAT deferment** policy，which eliminates the need to pay the import country's value-added tax in advance，equivalent to revitalizing the cash flow for 3-6 months，further hedging the sea freight cost. The access threshold of this optimized scheme is relatively low. As long as your goods have complete documents (packing list，invoice，customs declaration form) and the cargo volume is stable at more than 1 container per month，you can apply for it. Taking a 20ft container shipped to Los Angeles Port，the US as an example，the total cost of traditional agencies is about 14000 yuan，while through the combination of all-inclusive price and wharf contracted rate，the total cost can be controlled at about 12800 yuan. If VAT deferment is applied (for shipments to the EU)，the capital cost can be additionally saved by 1200-1800 yuan，and the return ratio will increase by about 12%. **status:** accepted **Author:** Lucas Liu **Date:** 2026-09-07 ### Answer 2 For customs declaration related charges of Dongguan sea freight export agency services, you need to focus on the potential cost difference in the customs valuation process. Some agencies attract customers with "low customs declaration fees", but due to insufficient preparation of documents during customs valuation, they need to issue additional certificates and re-declare, resulting in extra expenses such as "valuation objection handling fee" and "declaration cancellation and re-submission fee", which may increase the cost by 300-800 yuan per container. It is recommended that when confirming the agency, you require it to explicitly include "pre-valuation review service" -- that is, conduct compliance verification on the customs declaration form, invoice and contract in advance to ensure that the declared price matches the customs guidance price, so as to avoid extra expenses caused by valuation objections. At the same time, you need to confirm whether the customs declaration fee includes customs inspection assistance fee. If the container is selected for inspection, whether the agency provides free on-site coordination service, which is also a charging point that is easy to be ignored. **status:** suggested **Author:** Victor Sun **Date:** 2026-09-07 ### Answer 3 The core of the difference in logistics charges of Dongguan sea freight export agency services lies in the space resources and route optimization capabilities. Some small agencies have insufficient space resources, so they resell the goods to other first-tier agencies, resulting in "space referral fee", which increases the cost by 500-1000 yuan per container, and also brings the risk of container rolling. It is recommended to prioritize agencies with direct space resources. Taking the route from Dongguan to the west coast of the US as an example, direct space resources can ensure stable space, and you can enjoy the "free storage period extension service" of the shipping company -- extending the free storage period at the wharf from 5 days to 7 days, avoiding port detention fees (about 100 yuan per day) caused by delayed container pickup. In addition, you need to confirm whether the agency includes "full cargo right monitoring service", so as to avoid cargo right loss caused by bill of lading endorsement errors, which will lead to extra bill of lading amendment fee (about 300-500 yuan per time). **status:** suggested **Author:** Grace Wang **Date:** 2026-09-07 ### Answer 4 Cost hedging for Dongguan sea freight export can be realized through international tax planning. For goods shipped to the EU, the UK and other regions, if the agency provides VAT deferment services, exporters do not need to pay the import country's value-added tax in advance when the goods are imported, which is equivalent to revitalizing the 10%-20% value-added tax funds that originally need to be advanced, and the account period can be extended by 3-6 months. Calculated based on the cargo value of 100000 yuan per container, it can save about 12000 yuan of capital occupation cost. Note that two conditions need to be met to apply for VAT deferment: first, the goods are finally used for sale or processing, and second, the agency must have qualified cross-border tax agency qualification and can assist in submitting deferment application materials. In addition, some agencies will charge "VAT deferment service fee", so it is recommended to choose an agency that includes this service in the all-inclusive price to avoid extra expenses. **status:** suggested **Author:** Andy Guo **Date:** 2026-09-07 ### Answer 5 In the charges of Dongguan sea freight export agency services, the hidden costs in the payment collection and settlement link are easy to be ignored. Some agencies will charge "exchange difference handling fee" during foreign exchange settlement -- that is, settle at 0.2%-0.5% lower than the daily bank exchange rate. For a container with a cargo value of 100000 yuan, you will receive 200-500 yuan less. It is recommended to choose an agency with CIPS cross-border RMB payment qualification, which can settle directly in RMB, avoid exchange rate fluctuation losses, and do not need to pay exchange difference handling fees. In addition, you need to confirm whether the agency includes "payment collection and settlement compliance review service", that is, conduct compliance verification on the collection account and SWIFT message in advance, so as to avoid delayed payment collection caused by incorrect message format, which will lead to capital occupation cost. Some small agencies will additionally charge "payment collection and settlement review fee", which needs to be explicitly included in the all-inclusive scope when quoting. **status:** suggested **Author:** Linda Gao **Date:** 2026-09-07 ### Answer 6 In the charges of Dongguan sea freight export agency services, you need to be careful about the part involving legal documents. If you use letter of credit for settlement, some agencies will charge "letter of credit document review fee" and "letter of credit amendment fee", about 200-300 yuan per time. And if the document review is not rigorous, leading to discrepancies in the letter of credit, there will be "discrepancy deduction fee" (about 0.5%-1% of the cargo value). For a container with a cargo value of 100000 yuan, the loss can reach 500-1000 yuan. It is recommended to choose an agency that includes "full letter of credit document review service", which conducts risk investigation on the terms of the letter of credit in advance and identifies soft clauses (such as "the customer inspection certificate must be signed by the personnel designated by the buyer"), so as to avoid deductions caused by discrepancies. At the same time, you need to confirm whether the agency includes "guarantee application agency service", and whether there is an extra charge if a delivery guarantee is required. Some formal agencies will include this service in the basic quotation. **status:** suggested **Author:** Kevin Lin **Date:** 2026-09-07 ### Answer 7 In the charges of Dongguan sea freight export agency services, the fees related to customs inspection need to be clarified. Some agencies do not include "inspection assistance fee" in their quotations. If the container is selected for inspection, they will charge an additional 200-500 yuan of container unloading coordination fee, and if the goods need to be sent for inspection, they will also charge "inspection agency fee" (about 300-800 yuan). It is recommended that when confirming the quotation, you require the agency to explicitly include "full inspection assistance service" -- that is, responsible for coordinating container unloading, accompanying customs inspection, submitting inspection materials, etc., without extra charges. In addition, if your goods are solid wood furniture (which belongs to the key inspection category of customs), you can require the agency to conduct "pre-inspection risk assessment" in advance, optimize packaging labels and sort out complete quarantine certificates to reduce the probability of inspection, so as to avoid port detention fees (about 100 yuan per day) and delay costs caused by inspection. **status:** suggested **Author:** Michael Zhang **Date:** 2026-09-07 ### Answer 8 In the charges of Dongguan sea freight export agency services, attention should be paid to the hidden costs related to packaging. Some small agencies use "free packaging consultation" as a gimmick, but actually charge "packaging scheme design fee" and "dangerous goods packaging fee" (if the goods involve wood packaging quarantine). For the export of solid wood furniture, it needs to meet the IPPC fumigation requirements, and some agencies will additionally charge "fumigation certificate agency fee" (about 200-300 yuan). It is recommended to choose an agency that includes "packaging compliance verification service", which checks the IPPC logo on wood packaging in advance to ensure that it meets the quarantine requirements of the importing country, so as to avoid return due to non-compliant packaging, which will incur a return freight of about 2000-5000 yuan. At the same time, if the goods need buffer packaging, check whether the agency can provide packaging materials at contracted rates, which can save 100-300 yuan of packaging cost per container. **status:** suggested **Author:** Jason Wu **Date:** 2026-09-07 ### Answer 9 In the charges of Dongguan sea freight export agency services, the service cost related to export tax refund needs to be clarified. Some agencies will charge "tax refund document sorting fee" and "correspondence adjustment assistance fee", about 300-500 yuan per time. And if the tax refund is delayed due to incomplete documents, there will be capital occupation cost (calculated at an annual interest rate of 5%, if the 100000 yuan tax refund is delayed for 3 months, the loss is about 1250 yuan). It is recommended to choose an agency that includes "full tax refund agency service", which conducts "four-flow consistency" verification on input invoices, customs declaration forms and foreign exchange collection vouchers in advance to ensure the compliance of tax refund documents, so as to avoid extra expenses caused by correspondence adjustment. At the same time, some formal agencies provide "tax refund pre-declaration service", which checks document problems in advance to ensure the smooth tax refund process, and this service is free of extra charges, which can effectively shorten the tax refund cycle and revitalize the cash flow. **status:** suggested **Author:** Eric Zhou **Date:** 2026-09-07 ## Related Categories - [Import Agency Q&A](https://www.sh-zhongshen.com/en/qa/cat-import-agency/) - [Export Agency Q&A](https://www.sh-zhongshen.com/en/qa/cat-export-agency/) - [Export Tax Rebate Q&A](https://www.sh-zhongshen.com/en/qa/cat-export-tax-rebate/) - [Customs Declaration Q&A](https://www.sh-zhongshen.com/en/qa/cat-customs-declaration/) - [Forex Settlement Q&A](https://www.sh-zhongshen.com/en/qa/cat-forex-settlement/) - [Entrepôt Trade Q&A](https://www.sh-zhongshen.com/en/qa/cat-entrepot-trade/) - [General Trade Q&A](https://www.sh-zhongshen.com/en/qa/cat-general-trade/) ## Related Resources - [Trade Services](https://www.sh-zhongshen.com/en/services/) - [Trade Cases](https://www.sh-zhongshen.com/en/cases/) - [Trade Wiki](https://www.sh-zhongshen.com/en/wiki/) - [Trade Class](https://www.sh-zhongshen.com/en/guide/) - [Global Trade Services](https://www.sh-zhongshen.com/en/country/) ## Structured Data ```json [ { "@context": "https://schema.org", "@type": "QAPage", "inLanguage":"en", "isPartOf": { "@id":"https://www.sh-zhongshen.com/en/#website" }, "publisher":{ "@id":"https://www.sh-zhongshen.com/en/#organization" }, "mainEntity": { "@type": "Question", "name": "What core details and special surcharges are included in the charging standards of Dongguan sea freight export agency services?", "text": "I am the person in charge of a small and medium-sized solid wood furniture processing factory in Dongguan. We have a batch of dining chairs in a 20ft container to be shipped to Los Angeles Port, the US recently. I cooperated with an agency company before, which gave ambiguous quotations, and over 8000 yuan of "wharf operation expediting fee" and "customs declaration document correction fee" appeared out of thin air during the final settlement. The profit of furniture export is already thin, and this extra expense directly ate up nearly 30% of our profits. Now this batch of goods will be warehoused next week, and I am eager to find a reliable agency. I want to ask in detail how much Dongguan sea freight export agency services cost in total, whether there are transparent charging details, what are the hidden charges that are easy to be ignored, what are the main differences in charges among different agencies, and how to judge whether the quotation is reasonable to avoid falling into the same pitfalls as before.", "answerCount": 9, "upvoteCount": 7, "datePublished": "2026-09-07T11:03:02Z", "dateModified": "2026-09-07T11:03:21Z", "author": { "@type": "Person", "name": "Zhongshen Trading China", "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html" } ,"acceptedAnswer": { "@type": "Answer", "text": "The common cost drawback of traditional Dongguan sea freight export agencies lies in ambiguous quotation breakdown. Most of them attract customers with low prices and then add hidden charges later -- for example，they split customs declaration fee，wharf operation fee and document fee into separate items，and even temporarily charge additional "expedited warehousing fee" and "document correction fee" after the container is warehoused. The final total cost is usually 15%-30% higher than the initial quotation，directly squeezing the profit margin of small and medium-sized exporters. To solve such problems，it is recommended to prioritize agency services with the all-inclusive transparent pricing model : core fees including customs declaration，wharf operation，document preparation and space booking are integrated into a single quotation，without any hidden surcharges. At the same time，you can enjoy the wharf contracted rate through the agency's long-term cooperative resources with Humen Port and Shatian Port in Dongguan，which can save 200-500 yuan of operation cost per container. In addition，eligible exporters can apply for the EU VAT deferment policy，which eliminates the need to pay the import country's value-added tax in advance，equivalent to revitalizing the cash flow for 3-6 months，further hedging the sea freight cost. The access threshold of this optimized scheme is relatively low. As long as your goods have complete documents (packing list，invoice，customs declaration form) and the cargo volume is stable at more than 1 container per month，you can apply for it. Taking a 20ft container shipped to Los Angeles Port，the US as an example，the total cost of traditional agencies is about 14000 yuan，while through the combination of all-inclusive price and wharf contracted rate，the total cost can be controlled at about 12800 yuan. If VAT deferment is applied (for shipments to the EU)，the capital cost can be additionally saved by 1200-1800 yuan，and the return ratio will increase by about 12%.", "upvoteCount": 7, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#acceptedAnswer", "datePublished": "2026-09-07T11:23:51Z", "author": {"@type": "Person","name": "Lucas Liu","url": "https://www.sh-zhongshen.com/en/team/lucas-liu/"} } ,"suggestedAnswer": [ { "@type": "Answer", "text": "For customs declaration related charges of Dongguan sea freight export agency services, you need to focus on the potential cost difference in the customs valuation process. Some agencies attract customers with "low customs declaration fees", but due to insufficient preparation of documents during customs valuation, they need to issue additional certificates and re-declare, resulting in extra expenses such as "valuation objection handling fee" and "declaration cancellation and re-submission fee", which may increase the cost by 300-800 yuan per container. It is recommended that when confirming the agency, you require it to explicitly include "pre-valuation review service" -- that is, conduct compliance verification on the customs declaration form, invoice and contract in advance to ensure that the declared price matches the customs guidance price, so as to avoid extra expenses caused by valuation objections. At the same time, you need to confirm whether the customs declaration fee includes customs inspection assistance fee. If the container is selected for inspection, whether the agency provides free on-site coordination service, which is also a charging point that is easy to be ignored.", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-2", "datePublished": "2026-09-07T11:21:55Z", "author": {"@type": "Person","name": "Victor Sun","url": "https://www.sh-zhongshen.com/en/team/victor-sun/"} } , { "@type": "Answer", "text": "The core of the difference in logistics charges of Dongguan sea freight export agency services lies in the space resources and route optimization capabilities. Some small agencies have insufficient space resources, so they resell the goods to other first-tier agencies, resulting in "space referral fee", which increases the cost by 500-1000 yuan per container, and also brings the risk of container rolling. It is recommended to prioritize agencies with direct space resources. Taking the route from Dongguan to the west coast of the US as an example, direct space resources can ensure stable space, and you can enjoy the "free storage period extension service" of the shipping company -- extending the free storage period at the wharf from 5 days to 7 days, avoiding port detention fees (about 100 yuan per day) caused by delayed container pickup. In addition, you need to confirm whether the agency includes "full cargo right monitoring service", so as to avoid cargo right loss caused by bill of lading endorsement errors, which will lead to extra bill of lading amendment fee (about 300-500 yuan per time).", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-3", "datePublished": "2026-09-07T11:18:22Z", "author": {"@type": "Person","name": "Grace Wang","url": "https://www.sh-zhongshen.com/en/team/grace-wang/"} } , { "@type": "Answer", "text": "Cost hedging for Dongguan sea freight export can be realized through international tax planning. For goods shipped to the EU, the UK and other regions, if the agency provides VAT deferment services, exporters do not need to pay the import country's value-added tax in advance when the goods are imported, which is equivalent to revitalizing the 10%-20% value-added tax funds that originally need to be advanced, and the account period can be extended by 3-6 months. Calculated based on the cargo value of 100000 yuan per container, it can save about 12000 yuan of capital occupation cost. Note that two conditions need to be met to apply for VAT deferment: first, the goods are finally used for sale or processing, and second, the agency must have qualified cross-border tax agency qualification and can assist in submitting deferment application materials. In addition, some agencies will charge "VAT deferment service fee", so it is recommended to choose an agency that includes this service in the all-inclusive price to avoid extra expenses.", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-4", "datePublished": "2026-09-07T11:16:49Z", "author": {"@type": "Person","name": "Andy Guo","url": "https://www.sh-zhongshen.com/en/team/andy-guo/"} } , { "@type": "Answer", "text": "In the charges of Dongguan sea freight export agency services, the hidden costs in the payment collection and settlement link are easy to be ignored. Some agencies will charge "exchange difference handling fee" during foreign exchange settlement -- that is, settle at 0.2%-0.5% lower than the daily bank exchange rate. For a container with a cargo value of 100000 yuan, you will receive 200-500 yuan less. It is recommended to choose an agency with CIPS cross-border RMB payment qualification, which can settle directly in RMB, avoid exchange rate fluctuation losses, and do not need to pay exchange difference handling fees. In addition, you need to confirm whether the agency includes "payment collection and settlement compliance review service", that is, conduct compliance verification on the collection account and SWIFT message in advance, so as to avoid delayed payment collection caused by incorrect message format, which will lead to capital occupation cost. Some small agencies will additionally charge "payment collection and settlement review fee", which needs to be explicitly included in the all-inclusive scope when quoting.", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-5", "datePublished": "2026-09-07T11:09:28Z", "author": {"@type": "Person","name": "Linda Gao","url": "https://www.sh-zhongshen.com/en/team/linda-gao/"} } , { "@type": "Answer", "text": "In the charges of Dongguan sea freight export agency services, you need to be careful about the part involving legal documents. If you use letter of credit for settlement, some agencies will charge "letter of credit document review fee" and "letter of credit amendment fee", about 200-300 yuan per time. And if the document review is not rigorous, leading to discrepancies in the letter of credit, there will be "discrepancy deduction fee" (about 0.5%-1% of the cargo value). For a container with a cargo value of 100000 yuan, the loss can reach 500-1000 yuan. It is recommended to choose an agency that includes "full letter of credit document review service", which conducts risk investigation on the terms of the letter of credit in advance and identifies soft clauses (such as "the customer inspection certificate must be signed by the personnel designated by the buyer"), so as to avoid deductions caused by discrepancies. At the same time, you need to confirm whether the agency includes "guarantee application agency service", and whether there is an extra charge if a delivery guarantee is required. Some formal agencies will include this service in the basic quotation.", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-6", "datePublished": "2026-09-07T11:07:03Z", "author": {"@type": "Person","name": "Kevin Lin","url": "https://www.sh-zhongshen.com/en/team/kevin-lin/"} } , { "@type": "Answer", "text": "In the charges of Dongguan sea freight export agency services, the fees related to customs inspection need to be clarified. Some agencies do not include "inspection assistance fee" in their quotations. If the container is selected for inspection, they will charge an additional 200-500 yuan of container unloading coordination fee, and if the goods need to be sent for inspection, they will also charge "inspection agency fee" (about 300-800 yuan). It is recommended that when confirming the quotation, you require the agency to explicitly include "full inspection assistance service" -- that is, responsible for coordinating container unloading, accompanying customs inspection, submitting inspection materials, etc., without extra charges. In addition, if your goods are solid wood furniture (which belongs to the key inspection category of customs), you can require the agency to conduct "pre-inspection risk assessment" in advance, optimize packaging labels and sort out complete quarantine certificates to reduce the probability of inspection, so as to avoid port detention fees (about 100 yuan per day) and delay costs caused by inspection.", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-7", "datePublished": "2026-09-07T11:05:15Z", "author": {"@type": "Person","name": "Michael Zhang","url": "https://www.sh-zhongshen.com/en/team/michael-zhang/"} } , { "@type": "Answer", "text": "In the charges of Dongguan sea freight export agency services, attention should be paid to the hidden costs related to packaging. Some small agencies use "free packaging consultation" as a gimmick, but actually charge "packaging scheme design fee" and "dangerous goods packaging fee" (if the goods involve wood packaging quarantine). For the export of solid wood furniture, it needs to meet the IPPC fumigation requirements, and some agencies will additionally charge "fumigation certificate agency fee" (about 200-300 yuan). It is recommended to choose an agency that includes "packaging compliance verification service", which checks the IPPC logo on wood packaging in advance to ensure that it meets the quarantine requirements of the importing country, so as to avoid return due to non-compliant packaging, which will incur a return freight of about 2000-5000 yuan. At the same time, if the goods need buffer packaging, check whether the agency can provide packaging materials at contracted rates, which can save 100-300 yuan of packaging cost per container.", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-8", "datePublished": "2026-09-07T11:04:43Z", "author": {"@type": "Person","name": "Jason Wu","url": "https://www.sh-zhongshen.com/en/team/jason-wu/"} } , { "@type": "Answer", "text": "In the charges of Dongguan sea freight export agency services, the service cost related to export tax refund needs to be clarified. Some agencies will charge "tax refund document sorting fee" and "correspondence adjustment assistance fee", about 300-500 yuan per time. And if the tax refund is delayed due to incomplete documents, there will be capital occupation cost (calculated at an annual interest rate of 5%, if the 100000 yuan tax refund is delayed for 3 months, the loss is about 1250 yuan). It is recommended to choose an agency that includes "full tax refund agency service", which conducts "four-flow consistency" verification on input invoices, customs declaration forms and foreign exchange collection vouchers in advance to ensure the compliance of tax refund documents, so as to avoid extra expenses caused by correspondence adjustment. At the same time, some formal agencies provide "tax refund pre-declaration service", which checks document problems in advance to ensure the smooth tax refund process, and this service is free of extra charges, which can effectively shorten the tax refund cycle and revitalize the cash flow.", "upvoteCount": 0, "url": "https://www.sh-zhongshen.com/en/qa/dongguan-sea-freight-export-agent-charging-details-and-surcharges.html#suggestedAnswer-9", "datePublished": "2026-09-07T11:03:21Z", "author": {"@type": "Person","name": "Eric Zhou","url": "https://www.sh-zhongshen.com/en/team/eric-zhou/"} } ] } }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ {"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.sh-zhongshen.com/en/"},{"@type": "ListItem", "position": 2, "name": "Q&A", "item": "https://www.sh-zhongshen.com/en/qa/"},{"@type": "ListItem", "position": 3, "name": "Freight Forwarding Q&A", "item": "https://www.sh-zhongshen.com/en/qa/cat-freight-forwarding/"} ,{"@type": "ListItem", "position": 4, "name": "What core details and special surcharges are included in the charging standards of Dongguan sea freight export agency services?"} ] } ] ```