---
title: "Small-scale Exports to Vietnam Constantly Held Up at Customs Clearance? Zhongshen 20 Years of Experience Breaks Down the Breakthrough Point - Zhongshen Trading China"
description: "In 2026，Vietnam continues to strengthen technical compliance review of imported products，and small and medium-sized mechanical equipment exporters are facing triple pressures of cumbersome documents，long customs clearance cycle and slow tax refund payment. Based on 20 years of front-line practical experience，Zhongshen has built a closed-loop service system of "document pre-review - fast customs clearance - accelerated tax refund" targeting the characteristics of the Vietnamese market."
url: "https://www.sh-zhongshen.com/en/foreign-trade-knowledge/small-scale-export-vietnam-customs-clearance-solutions.html"
language: "en"
type: "Article"
category: "Foreign Trade Knowledge"
datePublished: "2026-09-04"
dateModified: "2026-09-04"
brand: "Zhongshen Trading China"
image: "https://cndpic.sh-zhongshen.com/uploads/tradepics/kB1fHCLpPaVeL.webp"
---

# Small-scale Exports to Vietnam Constantly Held Up at Customs Clearance? Zhongshen 20 Years of Experience Breaks Down the Breakthrough Point

In early spring 2026,the Ministry of Industry and Trade of Vietnam further tightened technical standard review for imported small and medium-sized mechanical and electrical equipment,with electronic valves,precision instruments,and automated production line components becoming key supervised categories.A pneumatic component factory in Songjiang,Shanghai,had three small containers shipped to Ho Chi Minh Port at the beginning of the year,which were detained for 18 days because Vietnamese customs did not accept the format of the "technical compliance statement",and storage fees consumed one third of the entire order’s profit.This situation repeats constantly among small and medium-sized enterprises with annual export volume below US$5 million.The characteristics of the Vietnamese market—fragmented orders,multiple batches,low value per shipment—make it completely uneconomical for factories to build their own customs teams.What Zhongshen has accumulated over 20 years is exactly the systematic capability to handle such "small,scattered,urgent" orders.

70% of the clients handled by Mr.Lu’s team are entering the Vietnamese market for the first time,or have encountered failures when operating on their own before.The core pain points of these clients are highly consistent: Vietnamese customs conducts extremely strict formal examination of documents,even a punctuation error can trigger manual recheck; there are gray areas in HS code classification,and a small mistake can lead to classification as "high-tech restricted category"; for tax refund,self-declaration by factories takes an average of 90 days to get the refund,bringing huge cash flow pressure.Zhongshen’s value lies in connecting scattered operation nodes into a standardized assembly line,with clear response time limits and risk contingency plans for each link.

![Vietnam Customs Clearance Rules Change Annually, 20-Year Veteran Foreign Trader Summarizes Coping Strategies for Three Categories of High-Risk Products](https://cndpic.sh-zhongshen.com/uploads/tradepics/kB1fHCLpPaVeL.webp)

## Document Pre-review Module: The "Formal Examination" Trap of Vietnamese Customs

The new version of electronic declaration system launched by Vietnamese customs in 2026 has made major adjustments to the verification rules for document fields.Take FORM E certificate of origin as an example: the system now automatically compares the consistency of exporter registration information,bill of lading shipper,and invoice title.Even a discrepancy in letter case will lead to direct rejection.A more hidden risk lies in the "product description" column: Vietnamese customs requires the product name to match word-for-word with that on the import license,while domestic factories are used to naming products based on production habits,which creates discrepancies.

Zhongshen has established a "three-review one-registration" mechanism.For contracts,invoices and packing lists submitted by clients,the operation team conducts the first review,focusing on verifying the import approval information provided by the Vietnamese client; the second review is completed by senior customs specialists of Mr.Lu’s team,mainly identifying HS code classification risks,especially for products covered by Vietnam’s "QCVN Technical Regulations"; the third review is simulation declaration,which runs data through Vietnamese customs’ pre-entry system to intercept format errors in advance.For the registration link,Zhongshen pre-registers clients’ electronic signatures and seal samples with Vietnamese customs to avoid identity verification delays for first-time declarations.

In the third quarter of last year,Mr.Lu handled a solenoid valve order worth only US$32,000.The Vietnamese client required that the invoice must clearly mark "compliant with QCVN 4:2019/BCT standard".The invoice issued by the factory did not include this line,so it was required to be amended after arrival at the port,and the amendment process took 11 days.Zhongshen’s current standard procedure is: after accepting the order,immediately request the latest list of technical regulations from the Vietnamese client,and directly add such mandatory statements to the documentation template.This pre-emptive action saves an average of 5-7 days of communication cost per shipment.

## Customs Clearance Execution Module: Inspection Rate and Localized Response

In 2026,Vietnamese customs maintains a high 35% inspection rate for "first-time imported" products,and the random inspection rate for "low-risk regular products" has also been increased to 8%.Inspection is not the most terrifying part; what is terrifying is the inability of domestic exporters to respond in time after an inspection order is issued.Vietnamese customs requires a local authorized representative to be present during inspection,and supplementary documents must be provided within 24 hours.It is impossible for a Shanghai-based enterprise to fly a staff member over immediately,which gives local Vietnamese customs clearance companies room to charge exorbitant prices.

Zhongshen has signed long-term cooperation agreements with resident partners in Ho Chi Minh and Haiphong.These partners are not simple customs clearance firms,but agency institutions with "technical interpretation" capabilities.Mr.Lu’s team prepares bilingual electronic document packages of product technical manuals,test reports,and factory qualification documents in advance,and synchronizes them to Vietnamese partners.Once inspection is required,local partners can directly open the document package and show corresponding documents to customs officers,instead of waiting for emails from China.

A typical case: a mold factory in Changzhou exported five sets of stamping molds,and Vietnamese customs questioned whether the carbon content of the mold steel met its environmental requirements.Zhongshen’s Vietnamese partner immediately pulled out the factory’s material certificate and SGS test report,cited the steel import exemption clause issued by the Ministry of Industry and Trade of Vietnam in 2019,and persuaded customs officers to release the goods on site.The whole process was completed in 4 hours.If following the traditional method,email communication would take at least 3 days,and an extra US$2,000 in storage fees would be incurred.

Zhongshen has also built a "Vietnam Customs Inquiry Database",which structurally stores all inspection questions,officer focus points,and response language encountered in the past five years.When a new order comes in,the system automatically matches similar historical cases and prepares response materials in advance.This database keeps the inspection passing rate of Mr.Lu’s team above 92%,far higher than the industry average of 67%.

![Vietnam Customs Clearance Rules Change Annually, 20-Year Veteran Foreign Trader Summarizes Coping Strategies for Three Categories of High-Risk Products](https://cndpic.sh-zhongshen.com/uploads/tradepics/KBGyyXzUebgir.webp)

## Tax Refund Acceleration Module: 2026 Policy Changes and Capital Efficiency

In 2026,the State Taxation Administration of China adjusted the classified management of export tax refund.For enterprises with annual export volume below US$5 million,if they have good declaration records for 12 consecutive months,they can actively apply to be upgraded to "Category II Enterprise",and the tax refund cycle is compressed from the standard 20 working days to 10 working days.However,in practice,it is difficult for small and medium-sized enterprises to meet the soft condition of "good declaration records",as their document error rate and overdue declaration rate are both relatively high.

Zhongshen’s solution is to split tax refund operation into three stages: data preparation - declaration submission - tax authority communication,and sets KPIs for each stage.In the data preparation stage,Zhongshen’s finance team completes "three-document matching" of customs declaration,input invoice,and foreign exchange collection memo within 24 hours after the goods depart,uses RPA tools to automatically capture bank foreign exchange data,and avoids manual input errors.In the declaration submission stage,Zhongshen has a direct electronic declaration connection with the competent tax authority,no need to queue for counter acceptance.In the tax communication stage,Mr.Lu’s team has dedicated staff stationed at the tax authority to handle abnormal work orders and eliminate problems at the preliminary review stage.

In the fourth quarter of last year,the 42 small-scale export enterprises agency serviced by Zhongshen had an average tax refund cycle of 18.5 working days,and the fastest received the refund in 8 days.Compared with the average 45 working days cycle of self-operation by factories,capital efficiency doubled.For an enterprise with annual export of US$3 million and an average gross profit margin of 15%,getting the tax refund one month earlier is equivalent to releasing nearly 400,000 RMB in cash flow,which directly determines whether the enterprise can accept the next batch of orders.

Another new change in 2026 is that tax authorities accept electronic endorsement of "export agency certificates".As the agency,Zhongshen can directly confirm tax refund rights for clients on the electronic tax bureau,and clients do not need to run around for stamping.This process optimization saves another 2-3 days per shipment.

## Quantitative Comparison of Efficiency Improvement and Risk Cost Avoidance

Small-scale export clients serviced by Zhongshen have seen obvious efficiency improvement on the Vietnam route.The following data is based on actual business statistics from the second half of 2025 to the first quarter of 2026:

| Service Link | Average Time for Factory Self-operation | Time for Zhongshen Agency Service | Time Compression Rate |
| --- | --- | --- | --- |
| Document Preparation and Review | 3.2 working days | 0.8 working days | 75% |
| Vietnamese Customs Release | 5.5 working days | 3.1 working days | 44% |
| Tax Refund to Account | 45 working days | 18.5 working days | 59% |
| Abnormal Handling (Inspection etc.) | 12 working days | 4.5 working days | 63% |

The direct benefit of time compression is the reduction of abnormal costs such as storage fees and document amendment fees.According to statistics from Mr.Lu’s team,in 2025,the average abnormal cost of cargo on the Vietnam route agency serviced by them accounted for 0.8% of the cargo value,while the industry average is 2.3%.For a US$100,000 order,this means saving US$1,500 in hidden costs.

The deeper value lies in risk avoidance.In 2026,Vietnamese customs has increased penalties for "undervaluation" and "incorrect classification",with the maximum fine reaching twice the cargo value.In addition,enterprises will be included in the "high-risk list",and their future inspection rate will be increased to 100%.Zhongshen has a secondary review mechanism for HS code classification,and market data comparison for price declaration,to ensure no red lines are crossed.Mr.Lu often says that agency fee is not a cost,it is an insurance premium.

## Coping Strategies for Three Categories of High-Risk Products in Vietnamese Market

Based on Vietnam’s latest 2026 List of Restricted Imported Technical Products,Zhongshen sorted out three categories of high-risk products and formulated targeted solutions:

- **Mechatronic equipment**: Vietnam requires provision of "technical life statement" and "software version filing".Zhongshen will ask the factory to provide the equipment’s source code version number and firmware update records in advance,and format it in a form recognized by the Ministry of Science and Technology of Vietnam to avoid being classified as "unregistered technology".
- **Finished products containing lithium batteries**: According to the new 2026 regulation of the Vietnam Fire Department,lithium battery equipment must provide a Vietnamese notarized version of the UN38.3 test report.Zhongshen has a bulk cooperation channel with notary offices and translation companies in Shanghai,can complete the full set of notarization and translation within 3 working days,and the cost is 40% lower than that handled by the factory itself.
- **Second-hand refurbished equipment**: Vietnam generally prohibits the import of second-hand equipment,but has an opening for "remanufactured" equipment.Zhongshen will assist the factory to prepare the "remanufacturing process proof" and "core component replacement list",connect to the pre-evaluation channel of the Ministry of Environment of Vietnam,convert prohibited categories into restricted categories,and restricted categories into allowed categories.

These strategies are not empty talk.In February 2026,Mr.Lu’s team helped a Ningbo enterprise export a set of second-hand injection molding machine,and successfully cleared customs through "remanufactured" identity verification.The client had consulted three freight forwarders before,all of whom said it could not be done.Zhongshen’s differentiated capability is exactly reflected in this kind of "gray area" but compliant business.

## Service Boundary and Customized Options

Zhongshen’s agency service covers the whole process of export,but different clients can choose module combinations according to their own capabilities.Factories with stable Vietnamese clients and solid customs capability can choose the "document + tax refund" module and handle customs clearance by themselves; enterprises that have just entered the Vietnamese market and are short of staff are recommended to use the "full managed" mode,Zhongshen handles everything from order taking to tax refund.Mr.Lu’s team will first conduct a business diagnosis,looking at the client’s internal process,staffing,historical problems,then recommend a service combination.

In 2026,the Vietnamese market sees both increased opportunities and risks.Tariff concessions under the RCEP framework have widened profit margins,but technical barriers and compliance costs have also increased.If small-scale exporters still operate by "taking chances",they will eventually hit a wall.The purpose of Zhongshen is to turn this uncertainty into predictable,calculable and controllable business processes.Choosing agency service is essentially replacing uncertain contingent losses with fixed costs,and exchanging time value through professional division of labor.

Manufacturing enterprises in Shanghai and the surrounding Yangtze River Delta region,if you are facing the situation of growing Vietnamese orders but struggling with operation,you can send specific product information and trade terms to Zhongshen,Mr.Lu’s team will provide a risk assessment and quotation plan within 24 hours.Competition in the Vietnamese market has shifted from price competition to supply chain efficiency competition,and customs clearance speed and capital efficiency are the core competitiveness.

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