---
title: "Full Breakdown of Import Customs Clearance Process: Key Points in Four-Stage Control - Zhongshen Trading China"
description: "In 2026，the international trade regulatory environment continues to tighten，and the import customs clearance link has become a critical node affecting supply chain stability. Based on over 20 years of practical experience from Zhongshen，this article systematically sorts out the complete chain from goods arrival to customs release，breaks down the complex process into four manageable core stages，deeply analyzes the operation objectives，key actions and potential risk points of each link，and provide..."
url: "https://www.sh-zhongshen.com/en/customs-declaration-knowledge/import-customs-clearance-process-guide-5e4oh8.html"
language: "en"
type: "Article"
category: "Customs Declaration Basics"
datePublished: "2026-09-12"
dateModified: "2026-09-12"
brand: "Zhongshen Trading China"
image: "https://cndpic.sh-zhongshen.com/uploads/tradepics/0Ih64pZN9Jqn1.webp"
---

# Full Breakdown of Import Customs Clearance Process: Key Points in Four-Stage Control

Import customs clearance is a critical link in the foreign trade chain that determines whether goods can be delivered on time and whether costs are controllable.In 2026,the customs supervision system has been further upgraded,and the tolerance for enterprises’ independent declarations has been greatly reduced.A single classification deviation or document omission may trigger inspection or even cargo detention.Zhongshen has sorted out more than 3,000 import business cases and broken down customs clearance into four closely linked stages,each with clear delivery standards and risk prevention and control points.The essence of choosing a professional agency is to turn uncontrollable customs clearance variables into predictable standardized services.

## Stage 1: Pre-Import Preparation and Document Pre-Review

![Zhongshen: Practical Process Summarized from 20 Years of Import Customs Declaration Experience](https://cndpic.sh-zhongshen.com/uploads/tradepics/0Ih64pZN9Jqn1.webp)

The core goal of this stage is to ensure that the declaration elements fully match the customs supervision requirements,avoiding port detention risks caused by document defects discovered only after the goods arrive at the port.Key actions include contract review,supervision document confirmation,HS code pre-classification and price data preparation.Ms.Tang’s company once had its tariff code applicability questioned by customs due to vague description of technical parameters of imported equipment,causing a full two-week delay.Zhongshen’s operation team will intervene before the goods are shipped,cross-verify basic documents such as commercial invoices,packing lists and waybills,focusing on checking whether the goods description,quantity unit and transaction method are consistent with the draft customs declaration form.

Common problems are concentrated in three aspects: first,missing or expired supervision documents,such as CCC certification and import licenses; second,incorrect HS code classification,especially for multi-functional combined machines or new materials; third,incomplete price composition,with freight and insurance premiums not reasonably allocated.Manager Feng from Zhongshen will issue a written pre-classification proposal based on the 2026 latest version of the Explanatory Notes on the Import and Export Tariff Goods and Headings and the classification decisions released by the General Administration of Customs.This document can be used as strong evidence for compliant declaration when customs subsequently raises questions.At the same time,we will assist customers in applying for required automatic import licenses or dual-use items licenses in advance,ensuring that the validity period of the approval documents covers the arrival time of the goods.

## Stage 2: Goods Arrival and Declaration Operations

After goods arrive at Shanghai Port or Pudong Airport,timeliness becomes the top priority.The goal of this stage is to complete the entire process of bill of lading exchange,data entry and declaration within 24 hours after the ship berths,to avoid high port demurrage and storage fees.Key actions include exchanging the delivery order from the shipping company,transmitting manifest information to customs,entering customs declaration data and finally completing the declaration.In 2026,customs launched the "prior declaration" model,allowing enterprises to transmit data to customs three days before the goods arrive.Zhongshen will make full use of this policy window to lock in the declaration period with a lower inspection rate in advance.

Typical problems include inconsistent manifest data and customs declaration forms,failure to conduct pre-inspection for legal inspection commodities,and declared prices triggering customs risk parameters.Manager Feng’s team implements parallel operations of bill of lading exchange and pre-entry.While obtaining the draft delivery order,the customs declarant has completed the draft preparation in the system.We have established a checklist of common errors,covering error-prone fields such as currency,country of origin and domestic destination.For legal inspection commodities,Zhongshen will send electronic inspection declaration data to the inspection and quarantine department before the goods arrive,and apply to customs for declaration after obtaining the customs clearance number,achieving seamless connection between inspection and customs.Once the declaration is successful,the system prompts that taxes and duties need to be paid,and our finance team will immediately calculate the total amount and notify the customer to make payment,ensuring that the taxes arrive within the customs specified time limit.

## Stage 3: Customs Inspection and Tax Handling

Inspection is the most uncontrollable variable in import customs declaration.The goal of this stage is to quickly respond to customs inspection instructions,accurately explain the nature of the goods,and strive for the optimal tax cost.Key actions include coordinating port goods transfer,cooperating with on-site inspection,explaining technical materials,calculating taxes and applying for tax preferences.In 2026,customs maintains an inspection rate of over 30% for key commodities such as used mechanical and electrical products,chemicals and medical devices.Zhongshen’s on-site staff will arrive at the inspection site within one hour after receiving the inspection notice.

Frequent problems include customs raising objections to goods classification,questioning the declared price being too low,and requesting to provide a certificate of origin to enjoy the agreed tariff rate.A batch of precision instruments imported by Ms.Tang’s company was required to be sent to the laboratory for testing because the customs could not determine its core functions.Manager Feng from Zhongshen immediately submitted the equipment’s technical white paper,working principle diagram and classification precedents of similar products,persuading the customs to release the goods according to the original tariff code.In terms of tax handling,we not only accurately calculate tariffs and value-added tax,but also actively check whether they meet preferential trade arrangements such as the Regional Comprehensive Economic Partnership (RCEP).For goods that cannot provide the certificate of origin temporarily,we will assist customers in handling release with guarantee deposit,avoiding cargo detention at the port.

## Stage 4: Customs Release,Pickup and Follow-up Matters

Customs release does not mean the end of the process.The goal of this stage is to ensure that goods are safely picked up from the port area and complete closed-loop operations such as customs clearance,foreign exchange payment and tax refund.Key actions include printing the release notice,handling port pickup procedures,obtaining the tax refund copy of the customs declaration form,and organizing and filing documents.In 2026,customs launched paperless release,with electronic release information directly pushed to the port system.Zhongshen’s drivers will arrive at the container yard within two hours after receiving the release notice.

Follow-up problems often occur in the pickup link: the port requires the original bill of lading while the customer only has a scan copy,or the goods need to obtain the Entry-Exit Inspection and Quarantine Certificate before use.Zhongshen has established electronic bill of lading exchange cooperation with major ports,allowing customers to pick up goods without mailing original documents.For legal inspection commodities,we will courier the inspection and quarantine certificate to the customer as soon as we obtain it.In addition,Manager Feng will organize a complete customs declaration file for customers,including customs declaration forms,tax receipts,inspection records and other documents,which are necessary materials for subsequent foreign exchange verification and export tax refund.Ms.Tang’s company achieved full tax refund in the first quarter of 2026 with the standardized documents provided by us,shortening the cycle to 15 working days.

The complexity of import customs clearance lies in the interlocking links.A small negligence in the early stage will be amplified into huge costs in the later stage.Zhongshen has used over 20 years of practical experience to break down the process into quantifiable and manageable standard actions,setting up professional personnel to intercept at each risk point.From document pre-review to final pickup,we provide a complete responsibility system,rather than simple customs declaration entry services.The 2026 regulatory environment is becoming stricter.Rather than investing resources in building an in-house customs declaration team to deal with uncertain policy changes,enterprises should leave professional matters to professional teams,so that goods customs clearance truly becomes a stable link in the supply chain.

## Related Resources
- [Customs Declaration Basics](https://www.sh-zhongshen.com/en/customs-declaration-knowledge/)
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