---
title: "Practical Operation Guide for Full Process of Import Electronic Customs Declaration Agency - Zhongshen Trading China"
description: "In 2026，the scale of Shanghai's electronic components import market will continue to grow，but enterprises often get stuck in trouble due to document compliance and new quarantine regulations in the customs declaration process. Zhongshen focuses on the core links of electronic components import customs declaration，helping enterprises avoid risks through pre-check，precise classification and other services. This article breaks down the full process and explains the value of agency services wit..."
url: "https://www.sh-zhongshen.com/en/customs-declaration-knowledge/import-electronic-customs-declaration-process-guide.html"
language: "en"
type: "Article"
category: "Customs Declaration Basics"
datePublished: "2026-06-25"
dateModified: "2026-06-25"
brand: "Zhongshen Trading China"
image: "https://cndpic.sh-zhongshen.com/uploads/tradepics/6qE2G2lYIgBch.webp"
---

# Practical Operation Guide for Full Process of Import Electronic Customs Declaration Agency

## Import Electronic Components Customs Declaration: Common Pain Points of Supplies from Southeast Asia and Europe

In 2026,as the core hub of the national electronic industry supply chain,Shanghai imports electronic components worth more than 12 billion yuan per month from Southeast Asia (Malaysia,Thailand) and Europe (Germany,Netherlands),covering high-end chips,chip capacitors,IGBT modules and other categories.Many small and medium-sized electronic manufacturing enterprises favor the cost-performance ratio of overseas supplies,but often get trapped in passive situations due to details in the customs declaration process.Ms.Lei,procurement supervisor of a small new energy equipment factory,once failed to fill in the "environmental protection material statement" on the Entry Goods Inspection and Quarantine Certificate when importing capacitors from Germany last year,resulting in the goods being detained at Yangshan Port for 3 days,which directly affected the production schedule of 1,000 charging piles.

![Analysis of Common Difficulties in Electronic Components Import Customs Declaration in 2026](https://cndpic.sh-zhongshen.com/uploads/tradepics/6qE2G2lYIgBch.webp)

This is not an isolated case: electronic components are technology-intensive goods.When declaring customs,they must not only meet conventional document requirements,but also comply with special compliance standards for electronic products formulated by the customs,such as Chinese version copies of CE certification,ROHS test reports,etc.; some components imported from Southeast Asia require additional fumigation treatment because their wooden packaging is not marked with IPPC.If enterprises do not know this in advance,they are very likely to incur demurrage fees or fail the commodity inspection.

## Core Value of Zhongshen in Electronic Components Import Customs Declaration

Zhongshen has been deeply engaged in the foreign trade agency industry for more than 20 years.In view of the particularity of electronic components import,it has established a full-process service system of "pre-check + precise classification + special person follow-up".Unlike conventional agencies that only provide document delivery services,Zhongshen’s team will intervene in the enterprise’s procurement link in advance,customize compliance plans according to the supply source (Southeast Asia/Europe) and component categories (chips/passive components),helping enterprises avoid more than 90% of common customs declaration risks.

### 1.Document Pre-check Stage: Guard the First Line of Compliance

The document requirements for electronic components import are more complex than those for ordinary goods.The core documents need to include the following contents,and some documents are targeted at specific regions:

| Document Name | Applicable Scenario | Compliance Requirements | Zhongshen’s Assistance |
| --- | --- | --- | --- |
| Bill of Lading (B/L) | All electronic components import | Must be completely consistent with the description and quantity of goods on the invoice and packing list | Check the consistency between the bill of lading and other documents in advance to avoid "discrepancy between documents and goods" |
| Chinese Version Copy of CE Certification | Electronic components from European suppliers | Must include product model,certification number and validity period | Assist suppliers in re-sending the Chinese version copy to avoid being returned due to language issues |
| ROHS Test Report | Passive components from Southeast Asian suppliers | Must cover tests for 6 hazardous substances including lead and mercury | Connect with third-party testing institutions to confirm the validity of the report |
| IPPC Marking Certificate | Components with wooden packaging | Must provide photos of the IPPC marking on the packaging | Remind enterprises to confirm the packaging marking in advance,and coordinate fumigation if there is no marking |

In Ms.Lei’s case last year,Mr.Cheng from Zhongshen found that she did not provide the Chinese version copy of CE certification during the document pre-check,immediately contacted the German supplier to re-send it,and completed the document improvement in only 2 days,avoiding the detention of the goods after arrival at the port — this saved at least 5 days compared with the enterprise handling it by itself.

### 2.Port Customs Declaration Stage: Precise Classification to Reduce Tariff Costs

HS code classification of electronic components is one of the core difficulties in customs declaration.Minor differences between different categories may lead to a tax rate difference of 2-3 percentage points.For example,for capacitors,the most-favored-nation tariff rate of chip capacitors (HS code 8532220000) is 5%,while that of electrolytic capacitors (HS code 8532300000) is 8%; if the classification is wrong,the customs will not only require re-declaration,but also may incur demurrage fees.

![Practical Operation Guide for Full Process of Import Electronic Customs Declaration Agency](https://cndpic.sh-zhongshen.com/uploads/tradepics/6rKeLcJlxUIWb.webp)

Zhongshen has a dedicated HS code classification team that accurately classifies electronic components according to their structure and purpose: Mr.Zhai,procurement manager of a consumer electronics factory,imported a batch of European chip resistors in March 2026,and originally classified them as 8532210000 (tariff rate 6%) by himself.After checking,Zhongshen’s team found that the resistors belong to "small chip resistors" and should be classified as 8532220000 (tariff rate 4%),directly saving the enterprise 12,000 yuan in tariffs.

### 3.Commodity Inspection and Release Stage: Fully Respond to New Quarantine Regulations

Starting from 2026,the customs has implemented new quarantine requirements for electronic components: components imported from Southeast Asia need to provide "circuit board environmental protection test report",and IGBT modules imported from Europe need to provide "thermal stability test report".Many enterprises have not learned the new regulations in time,resulting in their goods being returned by the commodity inspection bureau.

Zhongshen’s commodity inspection team regularly updates the new quarantine regulation database and informs enterprises of the required supplementary materials in advance: Mr.Bao’s company imported Thai LED chips in May 2026,and originally did not prepare the circuit board test report.Mr.Ouyang from Zhongshen coordinated a third-party institution to complete the test in advance,and the goods passed the commodity inspection in only 1 day after arrival at the port,and were released 2 days earlier than the original plan.

## Actual Case: Compliance Breakthrough in IGBT Module Import

At the end of 2025,a new energy vehicle manufacturer in Shanghai planned to import 1,000 pieces of German IGBT modules in January 2026 for the motor control system of new models.The enterprise originally declared customs by itself,but failed to notice the "New Quarantine Regulations for Electronic Components Import" implemented in January 2026 (requiring the provision of "radiation interference test report" for the internal chips of the modules),and the documents were returned by the Yangshan Port Commodity Inspection Bureau.

The enterprise contacted Zhongshen urgently,and Zhongshen’s project team immediately took the following measures:

- 1.Connect with German suppliers to obtain the Chinese version of the radiation interference test report within 3 days;
- 2.Coordinate with the customs to pre-review the documents and confirm that all materials comply with the new regulations;
- 3.Arrange a special person to follow up the commodity inspection process on-site to ensure that the goods are released within 48 hours after arrival at the port.

In the end,this batch of IGBT modules was delivered to the production line on time,avoiding a 10 million yuan production loss caused by the shortage of parts for the vehicle manufacturer.The person in charge of the enterprise said: "Zhongshen not only helped us complete the materials,but also predicted the new regulation risks in advance,which is something that conventional agencies cannot do."

## Summary: Professional Agency Makes Electronic Components Import More Efficient

The competition in the electronic components import market will intensify in 2026,and the efficiency and compliance of the customs declaration link directly affect the supply chain stability of enterprises.Zhongshen helps enterprises achieve the following through the full-process service of "pre-check - precise classification - special person follow-up":

- Customs clearance time shortened by 40% (from an average of 5 days to 3 days);
- Tariff cost reduced by 2-5% (through precise HS code classification);
- Zero demurrage,zero commodity inspection failure (business data for the first half of 2026).

For electronic manufacturing enterprises in Shanghai,choosing a professional import electronic customs declaration agency is not only a means to avoid risks,but also a core link to improve supply chain efficiency.With 20 years of industry experience,Zhongshen has become a reliable partner for more than 300 electronic enterprises.

## Related Resources
- [Customs Declaration Basics](https://www.sh-zhongshen.com/en/customs-declaration-knowledge/)
- [Trade Services](https://www.sh-zhongshen.com/en/services/)
- [Trade Cases](https://www.sh-zhongshen.com/en/cases/)
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- [Trade Class](https://www.sh-zhongshen.com/en/guide/)
- [Global Trade Services](https://www.sh-zhongshen.com/en/country/)
- [Trade Q&A Hub](https://www.sh-zhongshen.com/en/qa/)

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