2026 Shanghai Port Industrial Material Import Customs Clearance Compliance Process Guide

2026 Material Import Customs Clearance Full Process Practical Guide

As a foreign trade agency headquartered in Shanghai,we find that import enterprises often get stuck on HS code classification,incomplete documents,and valuation disputes.In 2025,a hardware material importer in the Yangtze River Delta paid an additional 12% anti-dumping duty due to incorrect HS code classification.It took 3 months to amend the documents and get a tax refund,resulting in a loss of nearly 200,000 RMB.Below,we break down the core process and points to avoid pitfalls.

In 2026,customs qualification audits for imported materials are becoming stricter.First,two core tasks must be completed:

• Precise HS Code Classification: You must declare according to the 2026 "Import and Export Tariffs," combined with the material’s composition,usage,and function.For example,for the same metal material,the HS codes for cold-rolled steel sheets and hot-rolled steel sheets differ by 4 digits,and the tax rate difference can reach 8%.
• Compilation of Essential Documents: This includes commercial invoices,packing lists,bills of lading (delivery orders),certificates of origin (RCEP member countries enjoy 5%-10% tariff reductions),fumigation certificates (for wooden packaging materials),and quality inspection certificates (such as MSDS reports for chemical materials).

Note here: In 2026,the EU imposed temporary anti-dumping duties on certain Chinese imported materials.When declaring,you must proactively provide the exporter’s anti-dumping duty exemption certificate; otherwise,customs will automatically levy the duty.If the imported material belongs to the mechanical and electrical category,you must also obtain the import license for mechanical and electrical products in advance.In 2026,the Ministry of Commerce simplified the license application process,which can be approved via an online platform within 3 working days.

The core process of material import customs clearance can be divided into 4 stages.We have summarized the operational points and risk points for each stage in 2026 in the table below:

Stage	Operational Points	2026 New Risk Warnings
Electronic Declaration	Submit declaration elements via the "Single Window," must include 10 mandatory items such as brand,model,material,specification,usage,origin,etc.	Customs control inspection rate increased to 35%; goods with inconsistent declaration elements and physical goods will be directly detained.
Customs Valuation	Provide transaction price proof and third-party valuation reports to prove the rationality of the declared price	Customs added a "Price Comparison Database" in 2026; declarations 15% below the market price will automatically trigger a valuation review.
Commodity Inspection	Cooperate with customs inspectors to open containers for inspection,verifying that goods match the declared information	For hazardous chemical materials,an on-site rapid testing link has been added; goods failing the test will be returned.
Tax Payment and Release	Complete payment of tariffs,value-added tax,and consumption tax via electronic payment	Demurrage charges increase daily; if goods are not picked up within 7 days,customs has the right to auction the goods.

Here is a practical case: At the end of 2025,a Shenzhen plastic material importer declared a price for PE particles lower than the customs guidance price.They were required to provide 3 months of bank slips and purchase contracts.Eventually,they passed valuation smoothly by providing the pricing agreement from the upstream supplier.The core of this case is to prepare price supporting materials in advance to avoid passive waiting.Additionally,some freight forwarders often charge high document exchange fees.It is recommended to confirm the fee standards in advance to avoid hidden expenses.

As a local agency in Shanghai,we can rely on the digital clearance system of Shanghai Port to achieve "advance declaration and release upon arrival." In 2026,the clearance time at Shanghai Port has been compressed to an average of 48 hours,12 hours faster than the national average.At the same time,we can link to the remote declaration ports of 12 direct customs districts nationwide,providing one-stop import services for inland enterprises without requiring them to handle procedures at the port personally.

After completing clearance,import enterprises still need to complete two follow-up tasks: first,handle VAT deduction using the customs payment certificate,and second,complete foreign exchange settlement through compliant channels.In 2026,the State Administration of Foreign Exchange added a "pilot program for facilitation of trade foreign exchange receipts and payments," allowing eligible enterprises to handle settlement without providing paper documents.

Risk Warning: Some enterprises choose to "underreport prices" to save taxes,but in 2026,customs’ big data monitoring system can compare transaction data from global ports.Once underreporting is discovered,a fine of 5%-30% of the cargo value will be imposed,and the enterprise will be placed on the customs credit blacklist,affecting all subsequent import and export business.Additionally,some importers ignore the quarantine requirements for wooden packaging.Goods without fumigation certificates will be detained by customs,incurring additional storage fees.

Overall,the material import customs clearance process in 2026 focuses more on compliance and digital operations.Enterprises only need to prepare qualification pre-audits and documents in advance,and rely on the port resources of professional agencies to complete clearance efficiently.