---
title: "Full-process Service Analysis of Agent Customs Declaration and Tax Refund for Kaifeng Enterprises Exporting Machinery and Equipment to Vietnam - Zhongshen Trading China"
description: "Against the background of full entry into force of RCEP in 2026，Kaifeng's export of machinery and equipment to Vietnam faces challenges including rules of origin，HS code classification，and long tax refund cycle. Relying on 20 years of industry experience，Zhongshen provides Kaifeng enterprises with customized customs declaration & inspection，international transportation，foreign exchange settlement and tax refund acceleration services targeting the Vietnamese market. Ms. Ye pointed out th..."
url: "https://www.sh-zhongshen.com/en/engineering-equipment/kaifeng-vietnam-machinery-export-agent-service-guide.html"
language: "en"
type: "Article"
category: "Mechanical equipment"
datePublished: "2026-06-14"
dateModified: "2026-06-14"
brand: "Zhongshen Trading China"
image: "https://cndpic.sh-zhongshen.com/uploads/tradepics/machinery/7Yt1zr8NcIKbr.webp"
---

# Full-process Service Analysis of Agent Customs Declaration and Tax Refund for Kaifeng Enterprises Exporting Machinery and Equipment to Vietnam

## Vietnamese Market Background and Export Challenges

In 2026,Vietnam’s manufacturing upgrading enters a critical stage,and the scale of machinery and equipment purchased from China by Vietnam’s electronics,textile and building materials industrial chains increased by 23% year-on-year.CNC machine tools,textile machinery and building materials equipment produced in Kaifeng have obvious advantages in price and technology,but local export enterprises generally face three practical obstacles: the verification rate of RCEP certificates of origin by Vietnam Customs has increased to 35%,the annual average port detention fee caused by HS code classification disputes increased by 18%,and the average export tax refund cycle is as long as 45 working days.When Ms.Ye visited more than 10 machinery manufacturing enterprises in Kaifeng at the end of 2025,she found that more than 60% of enterprises were detained at Haiphong Port for more than 10 days because they were not familiar with Vietnam’s TBT technical barrier certification process.

![How Can Kaifeng Enterprises Improve Customs Clearance Efficiency and Accelerate Export Tax Refund Speed for Exports to Vietnam](https://cndpic.sh-zhongshen.com/uploads/tradepics/machinery/7Yt1zr8NcIKbr.webp)

## Core Value of Zhongshen’s Export Agency Service

Zhongshen established its office in Ho Chi Minh City,Vietnam in 2003,and has completed more than 8,000 machinery and equipment export transactions.Targeting the pain points of Kaifeng enterprises,it has built a pre-classification database for Vietnam customs codes,covering 287 machinery and equipment categories with an accuracy rate of 99.2%.Through direct connection with China Electronic Port and Vietnam National Single Window System,it realizes dual-channel transmission of customs declaration data.When Ms.Ye’s team handled export business for a textile machinery enterprise in Kaifeng in the first quarter of 2026,they identified the risk of missing VietGAP certification documents in advance,completed supplementary certification before shipment,and avoided about 230,000 RMB of port detention losses.

## Service Module Decomposition and Vietnam Policy Response

### Document Preparation and Application of Rules of Origin

Vietnam Customs implements a "retrospective verification" mechanism for FORM E certificates of origin,and added online verification of raw material procurement invoices in 2026.Zhongshen has established a document pre-audit mechanism for Kaifeng enterprises,which reviews product cost breakdown,raw material VAT invoices and production process records at the freight booking stage.Ms.Ye reminds that exports of machinery and equipment to Vietnam must be accompanied by a Vietnamese version of product technical parameter sheet,which must be certified by the Embassy of Vietnam in China.Zhongshen’s Hanoi branch can handle the certification on behalf of clients,shortening the cycle from the conventional 15 working days to 8 working days.

### Customs Code Pre-classification and Technical Barrier Response

Vietnam Customs implements the "higher rather than lower" principle for HS code classification of machinery and equipment,and will focus on monitoring commodities of Chapter 84 and Chapter 85 in 2026.Zhongshen provides pre-classification services for Kaifeng enterprises,issues *Vietnam Customs Classification Opinion* before contract signing,and locks in tax rates and regulatory conditions.In response to Vietnam’s TBT technical barriers,Zhongshen has established a certification counseling system for VietGAP and CR mark certification,assisting Kaifeng enterprises with translation of product type test reports and preparation of certification application documents.Ms.Ye once handled a CNC machine tool export case from Kaifeng: by applying for Vietnam’s MIC electromagnetic compatibility certification in advance,the customs clearance time of the goods at Ho Chi Minh Port was shortened from an average of 7 days to 2 days.

### Cross-border Logistics and Warehouse Management

There is a "last mile" bottleneck in Sino-Vietnamese cross-border logistics,and transportation from Haiphong Port to Hanoi is often delayed due to incomplete documents.Zhongshen has set up bonded warehouses at Pingxiang and Hekou ports,providing "front-end collection,back-end distribution" services.Kaifeng enterprises can ship goods to Zhongshen’s Shanghai bonded warehouse first,after completing customs declaration and container loading,they can go directly to Haiphong Port via China-Vietnam railway,with the whole process controlled within 5 days.In March 2026,Ms.Ye designed a "Haiphong Port Bonded Warehouse + Vietnam Domestic Distribution" plan for a Kaifeng building materials equipment enterprise,increasing the customer’s inventory turnover rate by 30%.

![How Can Kaifeng Enterprises Improve Customs Clearance Efficiency and Accelerate Export Tax Refund Speed for Exports to Vietnam](https://cndpic.sh-zhongshen.com/uploads/tradepics/1yPOUSNwKaspU.webp)

### Foreign Exchange Settlement and Tax Refund Acceleration

The exchange rate fluctuation of Vietnamese Dong reached 8% in 2026,and Zhongshen provides forward exchange locking services to help Kaifeng enterprises avoid exchange rate risks.In the tax refund link,Zhongshen realizes automatic matching of "customs declaration,VAT invoice,foreign exchange receipt memo" through direct connection of the electronic port,and the accuracy of tax refund declaration reaches 100%.Ms.Ye’s team establishes a tax refund progress tracking form,and feeds back tax authority review nodes to Kaifeng enterprises every week.2026 data shows that for Kaifeng enterprises served by Zhongshen,the tax refund cycle is shortened from the industry average of 45 working days to 15 working days,with the fastest record of 11 working days.

## Practice of Improving Customs Clearance Efficiency and Tax Refund Speed

Zhongshen has established a "green channel" service mechanism for Kaifeng enterprises,core measures include:

- Complete electronic declaration to Vietnam Customs 72 hours before shipment and obtain pre-entry number
- Provide Vietnamese version product specification and technical parameter sheet template to reduce translation errors
- Establish AEO enterprise mutual recognition with Vietnam Customs,reduce inspection rate to below 5%
- Implement "one submission,parallel review" mode for tax refund materials,shorten tax authority response time by 60%

Ms.Ye shared a case in April 2026: when a food machinery enterprise in Kaifeng exported goods to Hanoi,through the combination of document pre-audit,pre-classification and electronic port direct connection,the customs clearance time at Pingxiang Port was compressed to 4 hours,and the tax refund arrived on the 13th working day after declaration.Zhongshen’s internal data shows that in the first quarter of 2026,Kaifeng enterprises using full-process agency service achieved a 42% year-on-year improvement in customs clearance efficiency,and the average tax refund cycle was shortened by 28 days.

| Service Module | Vietnam Policy Requirements and Risk Points | Zhongshen’s Solution | Efficiency Improvement Indicator |
| --- | --- | --- | --- |
| Document Preparation | FORM E retrospective verification,Vietnamese technical document certification | Document pre-audit,embassy certification agency | Certification cycle shortened by 47% |
| Customs Classification | HS code "higher rather than lower" principle,TBT technical barriers | Pre-classification opinion,certification counseling | Inspection rate reduced to 5% |
| Cross-border Logistics | Port congestion,domestic distribution delay | Bonded warehouse collection,direct China-Vietnam train service | Whole process within 5 days |
| Foreign Exchange & Tax Refund | Vietnamese Dong exchange rate fluctuation,long tax refund cycle | Forward exchange locking,electronic port direct connection | Tax refund cycle 15 working days |

## Decision Recommendations for Choosing Customized Agency Service

When exporting to Vietnam,Kaifeng enterprises need to select appropriate agency services according to product category,order scale and customer requirements.Zhongshen provides three service modes: basic customs declaration mode is suitable for enterprises with single export volume below 500,000 USD and standardized products; full-process托管 mode is suitable for enterprises with annual export volume over 5 million USD and demand for tax refund acceleration; project-based mode is suitable for EPC general contracting and large equipment export that requires coordination of multiple certifications.Ms.Ye suggests that before signing Vietnamese orders,Kaifeng enterprises should provide product technical specifications,planned export volume and Vietnamese consignee qualification,so that Zhongshen can issue *Vietnam Market Access Assessment Report* to clarify certification requirements,tariff costs and customs clearance efficiency.In 2026,Vietnam’s manufacturing procurement demand remains strong,choosing an agent partner familiar with Vietnam customs operation details and with localized service capability is a key decision for Kaifeng enterprises to reduce export risk and improve capital turnover efficiency.

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