Full Process Analysis and Fee Standard Explanation of Dongxing Port Export Customs Declaration Agency Services

I.Practical Challenges and Opportunities of Exporting to the Vietnam Market via Dongxing Port

In 2026,the average daily truck traffic of Dongxing Port has exceeded 2,500 vehicle-times.This land passage connecting Guangxi,China and Quang Ninh Province,Vietnam bears nearly 15% of China’s electromechanical products exported to ASEAN,30% of textiles,and a large volume of fresh fruits and vegetables.As one of the most active countries in tariff concession under the RCEP framework,Vietnam’s market attractiveness keeps growing.However,the reality remains harsh: the verification rate of certificates of origin by Vietnam Customs has increased by 8 percentage points compared with 2025,health and quarantine standards are adjusted quarterly,and the risk of "grey customs clearance" in border trade is fully exposed under the 2026 new policy.Manager Han has assisted numerous enterprises whose goods were detained due to inconsistent documents.A single letter error in the HS code may lead to a whole container of goods being detained at Mong Cai Port for a week,with losses far exceeding the freight cost itself.What is more tricky is that the VNEOS electronic port system launched by Vietnam in 2026 has extremely strict logical verification for documents.Many enterprises are forced to extend customs clearance time by 2-3 days due to unfamiliarity with the new system rules.

II.Zhongshen’s Service Positioning at Dongxing Port

Zhongshen’s team stationed at Dongxing Port has been operating for 20 full years.Over the past 20 years,we have evolved from a simple customs broker to a full-link operator integrating customs declaration,transportation,warehousing,foreign exchange settlement and tax refund.In 2026,our core value does not lie in the term "agency" itself,but in predicting the import license list that may be adjusted by the Ministry of Industry and Trade of Vietnam three months in advance,knowing which customs officer of the Mong Cai Customs Inspection Department is most meticulous in document review for mechanical equipment,and being able to accurately calculate the difference in VAT deduction between the border petty trade mode and general trade.Manager Han often says that what enterprises need is not an errand runner,but a foreign trade steward who can sit at the negotiation table and help business owners calculate accounts clearly.In March 2026,we successfully helped a Ningbo-based injection molding machine manufacturer increase the tax refund rate from 13% to 16% through reasonable trade mode planning,with an extra tax refund of nearly 40,000 yuan per shipment.

III.Breakdown of Full-Link Export Customs Declaration Services

1.Document Pre-review and Compliance Management

The VNEOS electronic port system launched by Vietnam Customs in 2026 has extremely strict verification logic for documents.Taking textile exports as an example,in addition to conventional packing lists,invoices and contracts,enterprises also need to provide quality certification issued by the Ministry of Industry and Trade of Vietnam,component test reports compliant with ASEAN textile standards,and the electronic ledger of RCEP certificates of origin.Manager Han’s team has established a "three reviews and three verifications" mechanism: preliminary review is completed within 2 hours after order receipt,focusing on checking the accuracy of Vietnamese translation; secondary review is conducted within 4 hours,simulating the VNEOS system logic for electronic verification; final review is completed before shipment to ensure the logical closed loop of all documents.In the first half of 2026,the inspection rate of our clients caused by document problems was controlled below 1.2%,far lower than the port average of 6.8%.

Special attention should be paid that Vietnam has extremely strict verification of IPPC marks on wooden packaging.We once handled a case where a whole batch of goods was required to be returned by Vietnam Customs due to blurred marks on pallets,with losses exceeding 200,000 yuan.To avoid such risks,Zhongshen has established a dynamic database of Vietnam access documents,which updates special requirements for various products in real time:

• Quality certification of the Ministry of Industry and Trade of Vietnam and ASEAN standard test reports
• Electronic ledger of RCEP certificates of origin and HS code pre-classification confirmation
• High-resolution scanned copies of IPPC marks on wooden packaging for advance filing
• Legal notarization process for Vietnamese translation documents

2.Intelligent Customs Clearance and Inspection Response

The particularity of Dongxing Port lies in the parallel operation of border trade and general trade,with huge differences in supervision methods between the two modes.In 2026,the inspection rate of general trade goods by Vietnam remains at around 12%,while the random inspection rate of border petty trade is as high as 25%.Zhongshen holds the Customs AEO Advanced Certification qualification,which means our goods can enjoy "green channel" treatment,with the inspection rate reduced by more than 60%.Manager Han’s team has full-time coordinators on site at the port.Once goods enter the pending inspection area,complete supplementary explanation materials can be provided within 30 minutes.Our self-developed intelligent customs clearance system can conduct three-dimensional modeling based on goods attributes,historical data and real-time policies,and automatically match the optimal customs clearance path.Data shows that the average customs clearance time of goods代理ed by us in 2026 was reduced from 4.8 hours to 1.5 hours.In May this year,a Guangzhou-based furniture enterprise needed same-day customs clearance for urgent orders,and we completed all procedures within 3 hours through special methods including advance declaration and guaranteed release.

For the special supervision mode of Dongxing Port,our response strategies include:

• AEO Advanced Certification qualification ensures priority release through the green channel
• 30-minute response mechanism of full-time on-site coordinators at the port
• Three-dimensional modeling of the intelligent customs clearance system to match the optimal path
• Reserve of emergency plans including advance declaration and guaranteed release

3.Ultra-fast Tax Refund and Capital Recovery

The complexity of the ASEAN market lies in the huge differences in tax refund policies among different countries.The new export tax refund regulations implemented by Vietnam in 2026 extended the data review cycle from 15 working days to 20 working days,but opened a "fast track" for enterprises with complete electronic ledgers.Zhongshen’s tax refund team consists of 6 senior accountants,each of whom has handled more than 800 tax refund cases.Our self-developed tax refund calculation model can estimate the accurate tax refund amount and arrival cycle instantly after order receipt.Manager Han specially emphasized that the General Department of Taxation of Vietnam has unprecedentedly intensified the verification of "three streams integration" (goods stream,capital stream,document stream) in 2026.The electronic archive library we established for clients fully preserves full-link data from factory shipment to foreign exchange receipt.At present,the average tax refund cycle of our clients is 18.6 days,9.4 days faster than that of enterprises’ self-declaration.In November last year,a Jiangsu-based chemical enterprise faced tax inspection due to chaotic historical data.We sorted out the complete evidence chain within 24 hours using the archive library,helping the enterprise avoid a fine of nearly 500,000 yuan.

The core advantages of tax refund services are reflected in:

• 6 senior accountant team,each handling more than 800 tax refund cases
• Tax refund calculation model estimates amount and cycle instantly after order receipt
• Electronic archive library realizes three streams integration of goods stream,capital stream and document stream
• Data pre-review mechanism for the fast track of the General Department of Taxation of Vietnam

4.Foreign Exchange Settlement and Risk Hedging

As a non-freely convertible currency,the exchange rate fluctuation and settlement timeliness of the Vietnamese Dong have long been pain points for export enterprises.In 2026,the State Bank of Vietnam has more flexible quota control for cross-border RMB settlement,but requires complete trade background certification.Zhongshen has established direct connection channels with three local banks in Dongxing,realizing T+0 foreign exchange settlement.Manager Han’s team provides exchange rate locking services: enterprises can lock the exchange rate when signing contracts to avoid the risk of Vietnamese Dong depreciation.For clients using letter of credit settlement,our document experts can identify "soft clauses" in L/Cs issued by Vietnamese banks in advance to avoid the risk of dishonor.In the first half of 2026,the abnormal dispute rate of Vietnam-oriented foreign exchange business we handled was only 0.3%,far lower than the industry average of 2.1%.In April this year,a Yiwu-based daily necessities exporter faced a request from a Vietnamese client to extend the payment period.We not only preserved the order but also resolved the capital pressure by introducing the Sinosure policy and accounts receivable financing scheme.

The differentiated capabilities of foreign exchange management services include:

• Direct connection channels with three Dongxing local banks realize T+0 foreign exchange settlement
• Exchange rate locking service avoids Vietnamese Dong exchange rate fluctuation risk
• Advance identification of L/C soft clauses and dishonor risk prevention and control
• Integration of Sinosure policy and accounts receivable financing scheme

IV.Empirical Evidence of Improvement in Customs Clearance Efficiency and Tax Refund Speed

Data comparison is the most convincing evidence.We selected 127 clients served in the first half of 2026 as samples,and tracked and analyzed their key indicators before and after using the agency service.The results show that on the premise of maintaining the same trade volume,the comprehensive cost decreased by 26.9%,and the capital turnover speed increased by more than 40%.Manager Han specially emphasized that these improvements do not come from simple "personal connections",but an efficiency revolution based on rule familiarity,process standardization and system automation.

V.How to Select Suitable Customs Declaration Agency Services

Choosing a customs declaration agency service is essentially choosing a risk-sharing partner.At Dongxing Port in 2026,policy dividends coexist with stricter supervision,and opportunities are reserved for prepared enterprises.Zhongshen does not provide one-size-fits-all packages.Manager Han will set up an exclusive service group for each client,which includes four core members: customs declarant,document specialist,tax refund accountant and logistics dispatcher.From the moment your goods leave the factory,all nodes are under our monitoring.Whether you are a novice testing the Vietnamese market for the first time,or an experienced player seeking to optimize the existing supply chain,we can provide suitable service solutions.For clients with stable monthly export volume of more than 500,000 US dollars,we can also send full-time personnel to work on site at the enterprise to realize seamless connection.Contact Zhongshen now to get a Dongxing Port export cost calculation form tailored to your product characteristics,which will detail the tax and fee differences and timeliness comparison under each trade mode.