---
title: "How to Choose a Customs Clearance Import Agency? Focus on Core Service Capabilities - Zhongshen Trading China"
description: "In 2026，Shanghai，as the national core import port，handles a monthly cargo throughput of over 12 million tons. However，updated customs clearance regulations and upgraded smart inspection systems have sharply increased the difficulty of in-house processing for enterprises. Which customs clearance import agency is reliable? Mr. Cai，who has 10 years of import experience，once delayed customs clearance due to document errors，which was later resolved by a professional agent — the key lies in full-proce..."
url: "https://www.sh-zhongshen.com/en/customs-declaration-knowledge/how-to-choose-customs-clearance-import-agency-based-on-core-capabilities.html"
language: "en"
type: "Article"
category: "Customs Declaration Basics"
datePublished: "2026-09-02"
dateModified: "2026-09-02"
brand: "Zhongshen Trading China"
image: "https://cndpic.sh-zhongshen.com/uploads/tradepics/5pWzqbtV4tAyV.webp"
---

# How to Choose a Customs Clearance Import Agency? Focus on Core Service Capabilities

## I.Breakdown of Core Processes for Customs Clearance Import Agencies

In 2026,the volume of imported goods at Shanghai ports increased by 18% compared to 2023,but the complexity of customs clearance has also risen simultaneously — the customs has stricter audits on commodity compliance and document authenticity,and the smart inspection system has improved the screening efficiency of high-risk goods by 40%.The delay rate of in-house customs clearance has increased by 22% compared to three years ago.Many importers like Mr.Cai once had cargo detained at the port due to unfamiliarity with new regulations or document errors,so selecting the right customs clearance import agency becomes critical.Below,we break down the import customs clearance process into three core stages to see the practical role of professional agents.

![Stuck with Import Customs Clearance? Reliable Agent Helps You Clear Fast](https://cndpic.sh-zhongshen.com/uploads/tradepics/5pWzqbtV4tAyV.webp)

### 1.Pre-import Preparation: Compliance Filing as the Foundation to Avoid Future Pitfalls

The goal of this stage is to complete all compliance preparations in advance,ensuring that goods can directly enter the customs clearance process upon arrival.If preparations are insufficient,goods may be returned due to missing qualifications,or the inspection rate may skyrocket due to document errors.

**Key Actions**:

- Confirm the import enterprise’s qualifications: whether it has the right to operate import and export,and whether an import license for specific commodities (such as medical devices,pre-packaged food,etc.) is required
- Commodity code (HS code) classification: this is the core of customs clearance; incorrect coding directly affects tariff rates and inspection requirements
- Document pre-review: prepare all necessary documents such as bill of lading,commercial invoice,packing list,and inspection certificate in advance

**Common Issues**: In 2026,the customs updated the HS codes for over 3,000 commodities,with the most concentrated adjustments in mechanical and electrical products and chemicals.Many enterprises misclassified codes during in-house declaration,resulting in overpayment of tariffs by 10%-30%; some food importers ignored the validity period of sanitary certificates,making it impossible to declare upon arrival of goods.

Zhongshen’s role in this stage: Manager Yan from the company will first help customers verify their enterprise qualifications,and provide import and export agency services for customers without the right to operate import and export.For commodity coding,there is a 5-person review team (all hold customs-certified customs declarer qualifications) that can accurately match the 2026 coding update rules.For example,the German mechanical parts imported by Mr.Cai were misclassified during in-house declaration,leading to a 30% increase in inspection rate.After Zhongshen’s review and adjustment of the code,the inspection rate dropped directly to 10%; at the same time,all documents will be pre-reviewed in advance,errors pointed out and corrections assisted,to avoid delays upon arrival of goods.

### 2.Port Customs Clearance: Fast Clearance as the Core to Reduce Port Detention Costs

The goal of this stage is to complete declaration,inspection,tax payment and other links at the port to release goods as soon as possible.For each additional day of port detention,the container detention fee can reach 500-1200 yuan,and the time cost for high-value goods is even greater.

**Key Actions**:

![Stuck with Import Customs Clearance? Reliable Agent Helps You Clear Fast](https://cndpic.sh-zhongshen.com/uploads/tradepics/5qCNO96GzUynP.webp)

- Electronic declaration: submit electronic data such as customs declaration forms and documents to the customs
- Inspection response: if selected for inspection by the customs,cooperate with on-site inspection and provide supplementary materials
- Tax payment: calculate and pay tariffs,value-added tax and other fees based on the declared commodity code and cargo value

**Common Issues**: In 2026,the customs implemented "smart inspection".The AI system screens high-risk goods based on declaration information.Some enterprises are selected for inspection due to incomplete declaration information; incorrect tax calculation leads to overpayment or underpayment,affecting the release speed; the cargo owner cannot arrive on time during on-site inspection,delaying the inspection progress.

Zhongshen’s role in this stage: The company has on-site specialists at major ports such as Shanghai Yangshan Port and Waigaoqiao,who can submit electronic declarations in a timely manner,with a declaration accuracy rate of 99.5% in the first half of 2026; if selected for inspection,the on-site specialist will accompany the entire process,prepare supplementary materials such as cargo labels and instructions in advance,and reduce the inspection time from an average of 2 days to within 1 day; tax calculation is handled by a professional team,combining 2026 tariff preferential policies such as RCEP to help customers reasonably reduce costs — for example,for a customer importing agricultural products from Southeast Asia,Zhongshen helped them apply for the RCEP agreed tariff rate,reducing tariffs by 20% compared to the ordinary rate.

### 3.Post-delivery Delivery: Seamless Connection as the Key to Ensure Safe Delivery of Goods

The goal of this stage is to complete cargo pickup,warehousing,transportation to the destination,and subsequent verification procedures.Many enterprises ignore the connection between warehousing and transportation,resulting in cargo backlog or damage at the port.

**Key Actions**:

- Cargo pickup: after customs release,pick up goods at the yard with the release order
- Warehousing: if temporary warehousing is needed,arrange suitable warehouses (such as constant temperature warehouses,dangerous goods warehouses)
- Verification: complete procedures such as import payment verification and customs manual verification

**Common Issues**: In 2026,the pickup time at ports in Shanghai is tight,and some enterprises cannot pick up goods in time due to no reservation; poor warehousing connection leads to cargo backlog at the yard and overdue fees; delayed verification procedures affect subsequent import business.

Zhongshen’s role in this stage: The company has long-term cooperation with 12 yards at Shanghai Yangshan Port and Waigaoqiao,and can reserve pickup time in advance to ensure pickup within 24 hours after release; provide customized warehousing solutions for different commodities — for example,imported red wine requires a constant temperature warehouse,and the warehouse cooperated by Zhongshen has a temperature controlled at 18-22and humidity of 60%-70%; verification procedures are handled by dedicated personnel and completed within 7 working days after cargo release,to avoid affecting subsequent business.

## II.Comparison of Key Differences Between In-house Customs Clearance and Zhongshen Agency

Many enterprises struggle with price when choosing a customs clearance method.Below,we compare the actual differences between the two through a table to help enterprises make a more reasonable choice.

| Comparison Dimension | In-house Customs Clearance | Zhongshen Agency |
| --- | --- | --- |
| Process Complexity | Needs to master over 10 links,easy to make mistakes due to unfamiliarity with 2026 new regulations | One-stop service,only need to provide basic information |
| Risk Control Capability | Relies on enterprise experience,risk increased by 25% after 2026 new regulations update | 20-year experience team,risk avoidance rate of over 95% |
| Customs Clearance Time | Average 7-10 days (including inspection delays) | Average 3-4 days (fastest 2 days for release) |
| Labor Cost | Needs to employ 2-3 customs declarers (total monthly salary over 15,000 yuan) | No extra labor required,service fee charged based on cargo value |
| Hidden Cost | Easily incur container detention fees,overpaid tariffs,inspection fines (annual average 50,000-100,000 yuan) | Avoid hidden costs,save 30,000-80,000 yuan annually |

## III.3 Core Judgment Criteria for Selecting a Customs Clearance Import Agency

Combined with the 2026 industry status,when selecting an agency,you should not only look at the price,but also pay attention to the following 3 core criteria:

- **Years of Experience**: Companies with over 20 years of experience have a better understanding of new regulations and can handle complex situations (such as Mr.Cai’s document mismatch issue,which can only be resolved quickly by experienced agents)
- **Port Resources**: Have on-site specialists at major ports to handle emergencies in a timely manner and avoid delays
- **Full-chain Services**: Can provide one-stop services from pre-import preparation to subsequent verification,eliminating the need for enterprises to connect with multiple service providers

## IV.Core Value of Zhongshen: Save Time,Reduce Costs and Avoid Risks for Customers

Zhongshen,which has been deeply engaged in the foreign trade industry for over 20 years,focuses on the core links of customs clearance import and provides customers with full-process solutions.As of the first half of 2026,it has served more than 5,000 import enterprises,covering multiple industries such as mechanical and electrical products,chemicals,food,and agricultural products.

For example,a customer importing chemical products previously overpaid 12% of tariffs and had an inspection rate of 40% due to incorrect coding during in-house customs clearance.Later,they chose Zhongshen’s agency service.The coding review team accurately matched the 2026 updated codes,reducing tariffs by 8% and the inspection rate to 10%,shortening the customs clearance time from 8 days to 3 days,saving over 200,000 yuan annually.

Which customs clearance import agency is good?It’s not about how good the publicity is,but whether it can truly solve customers’ problems.With 20 years of experience,Zhongshen makes import customs clearance simpler and more efficient.If you have import customs clearance needs,feel free to contact the professional team to help you avoid detours.

## 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/)
- [Trade Wiki](https://www.sh-zhongshen.com/en/wiki/)
- [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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