---
title: "Practical Guide to Wanyuan Export Freight Forwarding: Strategies to Improve Customs Clearance Efficiency for Southeast Asian Markets - Zhongshen Trading China"
description: "In 2026，the construction of the foreign trade hub in northeast Sichuan accelerates，with the annual export growth rate of Wanyuan's selenium-rich agricultural products and traditional Chinese medicinal materials to ASEAN exceeding 35%. Manager Yan's team at Zhongshen has operated in Shanghai ports for over 20 years. Targeting three major pain points: wide differences in access standards among Southeast Asian countries，unstable customs clearance timelines，and lengthy tax refund cycles，th..."
url: "https://www.sh-zhongshen.com/en/foreign-trade-knowledge/wanyuan-freight-forwarder-southeast-asia-guide.html"
language: "en"
type: "Article"
category: "Foreign Trade Knowledge"
datePublished: "2026-10-21"
dateModified: "2026-10-21"
brand: "Zhongshen Trading China"
image: "https://cndpic.sh-zhongshen.com/uploads/tradepics/3WljeehOcrU54.webp"
---

# Practical Guide to Wanyuan Export Freight Forwarding: Strategies to Improve Customs Clearance Efficiency for Southeast Asian Markets

## Market Status and Core Obstacles for Wanyuan Specialty Products Export to Southeast Asia

As a logistics node at the junction of Sichuan,Shaanxi and Chongqing,Wanyuan’s total export value of selenium-rich tea,Jiuyuan black chicken products,gastrodia elata and other traditional Chinese medicinal materials is expected to exceed 280 million yuan in 2026,among which Vietnam,Thailand and Malaysia account for over 60%.When visiting Wanyuan Economic Development Zone at the beginning of the year,Manager Yan found that the primary contradiction faced by local enterprises is the mismatch between strong demand in the ASEAN market and their insufficient customs clearance capacity.Vietnam Customs has implemented a 100% inspection system for animal and plant-derived products since the fourth quarter of 2025,and the heavy metal residue standard for traditional Chinese medicinal materials of Thai FDA has been raised by 30% compared with 2024.These policy adjustments directly led to a 170,000 yuan increase in port detention costs for a local tea enterprise in the first quarter.

![Zhongshen: Logistics and Customs Clearance Solutions for Wanyuan Enterprises Exporting to Southeast Asia](https://cndpic.sh-zhongshen.com/uploads/tradepics/3WljeehOcrU54.webp)

Deeper bottlenecks are reflected in three links: document compliance rate is less than 60%,with a high return and inquiry rate of certificates of origin; road transportation timeliness from inland to Shanghai Port fluctuates greatly,and reallocation fees caused by missing shipping schedules account for 8%-12% of total logistics costs; the average export tax refund cycle remains at 22 working days,occupying over 10 million yuan of enterprise working capital.Zhongshen’s 2025 service data shows that for Wanyuan enterprises without professional agency support,the first-time export customs clearance failure rate to ASEAN is as high as 43%,while this indicator can be reduced to less than 5% after entrusting professional teams to operate.

## Core Value Positioning of Zhongshen Export Agency Services

Zhongshen has permanent operation teams at Shanghai Waigaoqiao Port and Yangshan Port.Targeting the characteristics of Wanyuan enterprises: "low cargo value but frequent batches,special products but unfamiliar with relevant standards",it has designed a lightweight intervention model.Manager Yan’s team does not provide vague "one-stop" promises,but splits services into five quantifiable,accountable nodes: accuracy commitment of commodity pre-classification,one-time pass guarantee for certificate of origin,compensation for customs clearance timeliness breach,locked tax refund arrival time,and visualized in-transit logistics tracking.The 2026 version of the service agreement clearly includes the performance clause that "if customs clearance in Vietnam is not released within 72 hours,50% of the agency fee will be waived".

This value positioning comes from in-depth understanding of Wanyuan’s industrial structure.90% of local export products are included in the tax reduction list of the China-ASEAN Free Trade Agreement,but enterprises often misdeclare tea products eligible for zero tariff as ordinary plant products due to unfamiliarity with HS code classification rules,resulting in a loss of about 12,000 yuan in tariff preferences per container.Zhongshen’s intervention is not simply filling in documents on behalf of clients,but embedding compliance review from the commodity filing stage to ensure enterprises fully enjoy policy dividends.

## Document Module: Response to ASEAN Origin Rules and Special Quarantine Requirements

### Technical Compliance Points for Certificate of Origin

The ASEAN FORM E certificate is the core document for Wanyuan products to enjoy zero tariff.After Vietnam Customs launched the new electronic verification system in 2026,incorrect filling of the origin standard in column 8 of the certificate has become the top reason for certificate return.Manager Yan’s team has established a "three-review mechanism": the first review checks the consistency between commodity filing information and export declaration data,the second review verifies the rationality of raw material purchase ledgers and production loss ratios,the third review conducts stress tests simulating Vietnam Customs’ electronic verification logic.A Wanyuan black chicken product exporter was denied origin qualification by Vietnam Customs in November 2025 for failing to provide connection certificates between breeding bases and slaughterhouses.After Zhongshen intervened,the certificate was reissued within 48 hours by supplementing geographical indication certification documents and supply chain traceability records.

Targeting Thailand’s "batch-by-batch inspection" system for traditional Chinese medicinal materials,Zhongshen guides enterprises to complete GAP (Good Agricultural Practices) certification data collation three months in advance,shortening the inspection cycle from the conventional 15 days to 5 days.This pre-operation model enabled a Wanyuan traditional Chinese medicinal trading company to increase export batches by 210% year-on-year in the first quarter of 2026,with no port detention caused by document problems.

### Dynamic Management of Special Quarantine Documents

![Zhongshen: Logistics and Customs Clearance Solutions for Wanyuan Enterprises Exporting to Southeast Asia](https://cndpic.sh-zhongshen.com/uploads/tradepics/3XbcjcOR8OpBi.webp)

Southeast Asian countries update testing standards for pesticide residues and microbial indicators almost every quarter.Zhongshen has established direct data connections with testing institutions such as SGS and Intertek.When Malaysia issued a new imidacloprid residue limit standard,the system pushed early warnings to all relevant Wanyuan clients within 24 hours.Manager Yan requires the team to grasp policy changes earlier than clients.In March 2026,Thailand suddenly launched a special inspection of anthraquinone substances in tea,Zhongshen notified clients to adjust shipping batches one week in advance,avoiding the risk of over 3 million yuan worth of goods being returned.

## Customs Clearance Module: Solutions for Differentiated Supervision Strategies in Vietnam and Thailand

### Vietnam Customs AEO Mutual Recognition and Inspection Rate Control

In 2026,Vietnam’s inspection rate for non-AEO certified enterprises remains as high as 85%,while the rate for AEO enterprises can be reduced to 15%.As a senior certified enterprise in Shanghai Customs District,Zhongshen’s AEO qualification can be extended to the Wanyuan clients it represents.The specific operation process is: before Wanyuan enterprises’ goods arrive at Shanghai Port,Zhongshen submits the "Authorized Economic Operator" guarantee letter to Vietnam’s Haiphong Port in advance,and goods directly enter the green inspection channel after arrival.Cases tracked by Manager Yan show that 3 40-foot containers exported to Vietnam by a Wanyuan tea enterprise in April 2026 only took 38 hours from unloading to release,while the average time for goods on the same route without this model was 67 hours.

Targeting the frequent declared value queries from Vietnam Customs,Zhongshen has launched the "price pre-ruling" service.Before shipment,relevant materials including contracts,invoices and payment vouchers are submitted through Vietnam Customs’ online valuation system to obtain the official price approval number.From January to May 2026,this service reduced valuation dispute cases for Wanyuan clients by 76%,saving an average of 35,000 yuan in margin occupation per shipment.

### Fast Access Path for Thai FDA Food Products

Thailand implements a dual access system of "registration + inspection" for health products containing animal-derived ingredients.Zhongshen cooperates with local compliance consultants in Thailand to design a "split declaration" strategy for Wanyuan Jiuyuan black chicken products: whole chicken products are classified into "cooked meat products" and "animal-derived feed raw materials",the former applies to the FDA food fast track,while the latter follows the simplified procedure for agricultural products.This classification shortens the original 90-day registration process to 25 days.Manager Yan specially emphasized that Thai FDA has tightened label review in 2026,and Zhongshen provides Thai label pre-review services to ensure information such as nutrition fact tables and allergen prompts meet the requirements of Announcement No.386/B.E.2567.

## Tax Refund Module: Acceleration Logic in the Electronic Tax Bureau Era

In 2026,the State Taxation Administration fully rolled out the "paperless + intelligent review" model for export tax refunds.However,due to high turnover of financial personnel and unfamiliarity with system operations,the actual tax refund cycle for Wanyuan enterprises is still as long as 18-24 days.Zhongshen’s solution is "pre-data cleaning": during the customs declaration stage,the system automatically captures information from invoices,foreign exchange receipts and contracts,conducts cross-validation with customs electronic data,and identifies common problems such as mismatched input invoice tax rates and missing foreign exchange receipts in advance.

Manager Yan’s team has developed a visualized tax refund progress dashboard,allowing Wanyuan clients to check the review nodes of documents at the tax bureau in real time.In May 2026,a Wanyuan traditional Chinese medicinal enterprise was rejected for tax refund because the customs commodity code was inconsistent with the tax bureau’s filing record.After receiving the system early warning,Zhongshen completed the code change application and data retransmission within 2 hours,enabling the tax refund to arrive within 11 working days,40% faster than the conventional process.

## Collaborative Optimization of International Transportation and Warehousing

The road transportation distance from Wanyuan to Shanghai Port is about 1700 kilometers,and timeliness fluctuations directly affect export shipping schedules.Zhongshen does not rely solely on third-party fleets,but has set up a pre-collection warehouse in Chongqing.After Wanyuan goods arrive in Chongqing via Yangtze River water transport or railway,they undergo value-added operations such as sorting,labeling and quality inspection,then are uniformly dispatched to Shanghai in full containers.This model reduces transportation cost from 6800 yuan per container to 5200 yuan,and shortens transportation time from 5 days to 3.5 days.

Targeting the generally short free detention period at Southeast Asian destination ports (only 5 days at Vietnam’s Haiphong Port),Zhongshen has signed a batch extension agreement with shipping companies to secure a 10-day free detention period for Wanyuan clients.It also provides 3 days of free storage at Shanghai Port,forming a three-stage buffer of "pre-port - sea transport - post-port" to avoid container detention fees.In the first half of 2026,this solution saved Wanyuan enterprises a total of over 400,000 yuan in container detention fees.

## Quantitative Comparison of Service Effects and Risk Hedging Mechanism

| Service Indicator | Enterprise Independent Operation | Zhongshen Agency | Efficiency Improvement |
| --- | --- | --- | --- |
| One-time pass rate of certificate of origin | 58% | 96% | +65.5% |
| Average Vietnam customs clearance time | 71 hours | 43 hours | -39.4% |
| Tax refund receipt cycle | 22 working days | 12 working days | -45.5% |
| Logistics cost per shipment | 11800 yuan | 9500 yuan | -19.5% |
| Compliance risk event rate | 18% | 3% | -83.3% |

Manager Yan specially pointed out that exchange rate fluctuations intensified in 2026,and Zhongshen has embedded foreign exchange hedging options in agency agreements.When Wanyuan enterprises sign US dollar-denominated contracts with Southeast Asian buyers,Zhongshen can provide forward foreign exchange settlement services simultaneously to lock in exchange rate costs.A Wanyuan tea enterprise avoided 86,000 yuan of exchange loss caused by the 1.2% appreciation of RMB against US dollar within 7 days through this service in April 2026.

## Customized Service Path and Decision Suggestions

When selecting agency services,Wanyuan enterprises should avoid the "one-size-fits-all" procurement mindset.Zhongshen divides clients into three categories: for start-ups with annual export value below 5 million yuan,the "documents + customs clearance" basic module is recommended,with agency cost controlled within 1.2% of export value; for growth enterprises with annual export value between 5 million and 20 million yuan,the combination of "basic module + tax refund acceleration" is recommended,with 1.5% agency fee but releasing over 15% of working capital; for large-scale enterprises with annual export value above 20 million yuan,full-link trusteeship is provided,with 1.8% agency fee and performance clauses for customs clearance timeliness and tax refund cycle.

Manager Yan suggests that Wanyuan enterprises planning to expand into the Southeast Asian market in 2026 should involve freight forwarders at the product sampling stage,rather than waiting until orders are confirmed.Zhongshen provides free "export feasibility pre-assessment" services,covering three core contents: matching degree with target country access standards,HS code classification suggestions,and estimated tax and cost.This pre-intervention model enables enterprises to quote accurately during negotiations with clients,avoiding losses caused by cost calculation errors after contract signing.

For Wanyuan enterprises with certain export experience but facing growth bottlenecks,Zhongshen’s "diagnostic optimization" service is more valuable.The team will retrieve the enterprise’s customs declaration data of the past 12 months,analyze the root causes of three high-frequency problems: certificate return inquiry,inspection detention and tax refund rejection,and issue a 20-30 page improvement plan.In March 2026,after a Wanyuan traditional Chinese medicinal enterprise adopted this plan,its export batches in the second quarter increased by 140% year-on-year,while per-shipment operation cost decreased by 22%.

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