Full Guide to Import Customs Clearance Process for Nanjing Enterprises and Professional Agency Services

For manufacturing enterprises and traders in Nanjing and the Yangtze River Delta region,import customs clearance is an unavoidable core link when transporting required raw materials,equipment or consumer goods from overseas to factories or warehouses smoothly.It is not a simple document submission process,but a set of interlinked operation systems bound by multiple regulations.An omission in any link may lead to high storage fees due to cargo detention at the port,administrative penalties for false declaration,or even damage to the enterprise’s credit.Therefore,systematic understanding and proper management of the import customs clearance process is the foundation for the stable operation of foreign trade business.The following content sorts out the whole process from cargo departure to domestic delivery,and explains the specific value of professional agencies in this process.

Stage 1: Pre-preparation and Contract Element Review

The success of customs clearance is largely determined before the goods are shipped.The goal of this stage is to ensure that all trade arrangements are legal and compliant,laying an accurate foundation for subsequent declarations.Key actions include confirming the trade mode (general trade,processing with imported materials,etc.),reviewing original documents such as invoices,packing lists and contracts provided by overseas parties,as well as conducting accurate pre-classification of commodities to determine their HS codes,supervision conditions and tax rates.

Common problems are that enterprises often fail to accurately grasp commodity classification,or ignore the processing of certain import license approvals (such as mechanical and electrical certificates,pesticide registration certificates,etc.),and only find that they cannot declare when the goods arrive at the port.A Nanjing technology company where Ms.Zeng works almost missed the policy dividend when importing a batch of experimental instruments because it did not apply for relevant tax exemption filing in advance.

The role of Zhongshen is highlighted here.Our customs affairs team will intervene in advance,conduct pre-classification review based on product information provided by customers,recheck the compliance of all trade documents,and clearly inform customers of various regulatory certificates that need to be processed and their application paths.We are equivalent to conducting a comprehensive "physical examination" for enterprises before the starting line,eliminating potential policy minefields.

Stage 2: Connection between International Transportation and Document Operation

The period when goods are in transit is the prime time to prepare customs clearance documents.The goal of this stage is to closely track logistics dynamics,simultaneously complete the collection,verification and production of a full set of supporting documents for customs declaration,and ensure that "all documents are ready when the goods arrive".Key actions include tracking shipping schedules/flight schedules,exchanging for bills of lading (sea freight) or air waybills,and preparing documents such as customs declaration entrustment agreements and situation descriptions.

Common problems include inconsistent document information (such as the consignee on the bill of lading not matching the customs declaration applicant),missing or non-standard preferential documents such as certificates of origin,resulting in failure to enjoy the agreed tax rate.The disconnection between logistics and document preparation will also waste valuable customs clearance time.

Zhongshen shares real-time dynamics with customers through its self-developed logistics tracking system,and has set up a document specialist position to systematically manage the document circulation list for each shipment.We not only check commercial documents,but also pay attention to the compliance of special documents such as certificates of origin and quality inspection reports,to ensure that the declaration materials are complete and accurate,and realize seamless parallel operation of logistics and document flow.

Stage 3: Port Declaration and Customs Inspection Response

This is the core practical link of customs clearance.The goal is to pass customs review,cooperate with inspection when necessary,and legally obtain the release instruction.Key actions include entering data into the customs declaration system,submitting supporting documents,and cooperating with possible inspection instructions on site.

Common problems focus on incomplete declaration elements,questioned price declaration,and panic when facing customs inspection due to unfamiliarity with the process,which affects inspection efficiency.In 2026,the customs intelligent inspection system is more widely applied,and the requirements for the accuracy of declaration data are higher.

Zhongshen’s customs brokers can complete the declaration efficiently with their familiarity with the customs declaration rules of various ports in Nanjing.When encountering price queries,we can provide complete price materials such as payment vouchers for foreign exchange to make reasonable explanations.In case of inspection,our on-site personnel will respond quickly,guide the terminal/warehouse personnel to move and unpack the goods according to customs requirements,and communicate with customs officers on site to minimize the impact of inspection on customs clearance timeliness.

Stage 4: Tax Payment and Physical Cargo Release

Paying taxes according to law is the prerequisite for cargo release.The goal of this stage is to accurately calculate tariffs,value-added tax and other taxes and fees,and complete timely payment.Key actions include completing payment through the electronic payment system based on the tax payment certificate issued by the customs.

Common problems are that enterprise financial personnel are not familiar with the customs payment process,resulting in delayed payment,or they have questions about the tax amount but do not know how to review it.Incorrect tax calculation will also bring subsequent troubles of tax supplementary payment or tax refund.

Zhongshen will provide customers with a detailed tax estimate immediately after declaration.After the customs issues the tax bill,we will review it,and notify the customer to pay in time after confirming there is no error.We can provide tax advance payment services,or clearly guide customers to pay through designated channels,to ensure that taxes are deposited into the treasury as soon as possible and speed up the release process.

Stage 5: Post-stage Settlement and Document Archiving

The removal of goods from the port is not the end of the service.The goal of this stage is to complete the settlement of domestic and foreign expenses,and properly keep the full set of customs clearance documents for subsequent verification or tax refund processing (if involved).Key actions include settling expenses with shipping companies,terminals,fleets,etc.and sorting and archiving all customs declaration and tax payment vouchers.

Common problems are that the expense items are complicated and difficult for enterprises to verify one by one; poor storage of customs clearance documents leads to inability to provide them during subsequent tax inspections or trade audits.The verification operation of import foreign exchange payment also requires professional handling.

Zhongshen will provide a clear expense settlement list,with each expense traceable.We have established a complete electronic document archiving system for customers,all important documents such as customs declarations and tax bills we handle are scanned and archived,and customers can log in to the background to query and download at any time.In addition,we can handle import foreign exchange payment procedures on behalf of customers to ensure foreign exchange management compliance.

Throughout the entire import customs clearance process,its professionalism is reflected in the control of details and the prediction of risks.The agency services provided by Zhongshen in Nanjing essentially transform our more than 20 years of experience in customs declaration and inspection,international logistics,foreign exchange and tax operations into standardized and visual processes that customers can rely on.We are not a simple document submission tool,but a partner that intervenes from the starting point of the trade chain.Through our work,enterprises can focus their limited energy on the market and R&D.Only when customs clearance of goods is no longer a problem can the international supply chain of enterprises be truly stable and efficient.