“Last month, Mr. Zhang cross-border e-commerce container was stuck at Chongqing port for a full two weeks, resulting in a loss of nearly 100,000 yuan – solely due to a missing certificate of origin.” Such stories are not uncommon in Chongqing's foreign trade circles. As the largest foreign trade hub in the upper reaches of the Yangtze River, Chongqing handles over 600 billion yuan of import and export goods annually. However, the complex agency process deters many enterprises. This article will use a process table + breakdown of key steps to guide you in avoiding these costly “pitfalls.”
Panoramic View of the Four Core Process Stages

Based on Zhongmoda's 15 years of agency experience, Chongqing's import and export business can be broken down into:
- Qualification Preparation Stage: Complete customs registration and obtain an electronic port card.
- Document Production Stage: Commercial invoice/packing list/customs declaration form and 12 other types of documents.
- Customs Clearance Declaration Stage: Specific requirements of Chongqing's Lianglukuncun/Guoyugang and other ports.
- Logistics Delivery Stage: Differentiated handling of China-Europe Railway Express and river-sea combined transport.
The Three Most Error-Prone Key Points
Mr. Zhang building material export case is quite representative:
- Misjudgment of HS Code: “Artificial stone countertops” were mistakenly classified under building materials, when they should have been classified as handicrafts, leading to an overpayment of 7% in tariffs.
- Validity Period of Certificate of Origin: ASEAN FORM E certificates need to be applied for 3 days before shipment.
- Special Supervision Zone Regulations: Xiyong Comprehensive Bonded Zone has a separate declaration channel for cross-border e-commerce.
It is recommended that enterprises use the "Classification Precedent Query System" on the Chongqing Customs website to verify HS codes in advance.
New Changes at Chongqing Port in 2023

With the advancement of smart customs construction:
- Lianglukuncun port is piloting "unattended customs clearance", compressing the customs clearance time for mechanical and electrical products to 2 hours.
- The railway port has launched the "digitization of railway bill of lading ownership" system, solving the financing difficulties of traditional transport documents.
- Cross-border e-commerce B2B exports can enjoy simplified declaration under the "9710 mode".
Which Agency Model is Suitable for Your Enterprise?
Select based on business volume:
- Full-Process Agency: Suitable for small and medium-sized enterprises with an annual export volume of less than 5 million yuan.
- Segmented Agency: Large enterprises can split declaration/logistics/tax refund segments.
- Independent Declaration + Agency Review: A cost-effective choice for enterprises with a dedicated foreign trade team.
Consider the time cost: processing one customs declaration averages 4.5 hours, equivalent to 37% of a Chongqing foreign trade specialist's daily cost.
Actionable Advice: Three Steps for Quick Diagnosis
Check your import and export processes immediately for:
- Customs declaration error rate > 3%?
- Average single-shipment customs clearance time > 72 hours?
- Annual demurrage fees exceeding 15% of logistics costs?
If any answer is "yes," you may need to re-evaluate your agency plan. Welcome to share your specific difficulties in the comment section. We will select 3 typical cases for professional analysis.

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