---
title: "How many days does the normal customs clearance process for agency import of extrusion molds take, including document preparation and inspection procedures?"
description: "A certain aluminum alloy profile factory in Suzhou needs to complete customs clearance for extrusion molds imported from Germany quickly due to an urgent order，but encountered problems such as vague lead time quoted by the freight forwarder，inspection alert and urgent fee troubles，facing risks of demurrage fees and penalty for breach of contract. Through measures such as full-link pre-review of documents，optimization of core node connection and pre-established contingency plans for exceptions，th..."
url: "https://www.sh-zhongshen.com/en/qa/extrusion-mold-import-customs-clearance-normal-processing-time.html"
language: "en"
type: "Q&A"
category: "Customs Declaration Q&A"
datePublished: "2026-07-10"
dateModified: "2026-07-10"
brand: "Zhongshen Trading China"
answerCount: 10
---

# How many days does the normal customs clearance process for agency import of extrusion molds take, including document preparation and inspection procedures?

## Question

 I am the procurement lead at an aluminum alloy profile processing factory in Suzhou. A set of high-precision extrusion molds I ordered from Germany last week arrived at Shanghai Yangshan Port. The freight forwarder we originally worked with said normal customs clearance would take 10 days, but a peer factory told me their identical molds took only 5 days to clear customs and pick up the goods. Now I have an urgent order from a listed company, and we need to use these molds for trial production next Monday. Yesterday, the freight forwarder suddenly notified that this shipment may be selected for inspection, which will add another 3-5 days to the process, and asked me to pay an urgent fee. I am now in a panic - not only worried about the accumulating demurrage fees, but also afraid of missing the delivery deadline and having to pay 12% of the order value as penalty for breach of contract. I want to ask: what is the actual lead time for customs clearance agency of extrusion molds? Is there any way to shorten the duration when facing inspection or document issues? Is the time difference between different customs clearance methods really that big? 

## Answers
                            
### Answer 1 — Best Answer

The lead time for customs clearance agency of extrusion molds mainly depends on the connection of each link in the full chain. The first step is **Pre-emptive Document Pre-Review**: You need to submit documents including certificate of origin，material specification for the molds，HS code pre-classification confirmation (for high-precision molds)，packing list and invoice 3-5 days in advance. We will check details such as the "precision parameters" and "whether hydraulic components are included" of the molds to avoid document review delays caused by incorrect HS code classification，which can save 2-3 days for subsequent customs clearance.

Core customs clearance links (after arrival at port): If there are no issues with the documents，the intelligent document review system at Yangshan Port can complete the preliminary review within 12 hours，followed by manual review (for ordinary molds，manual review only takes 4-6 hours). You can pay customs duties after the review is passed，and arrange pick-up within 24 hours after the duty payment is completed. The normal full process (including document preparation) takes 5-7 days，for high-precision extrusion molds with CNC systems，an additional old mechanical and electrical product record filing is required (completing it 10 days in advance will not affect the lead time)，and the customs clearance time after arrival at port is 7-10 days.

For the inspection issue you encountered，our **Pre-established Contingency Plan** will mark the high-inspection-risk points of the molds during the pre-review，and communicate with the Customs Inspection Division in advance that "the molds are urgently needed for production". If selected for inspection，you can apply for the "priority inspection channel"，which can shorten the inspection time from 3-5 days to 1-2 days，if there are document defects，we will immediately activate the backup document templates and resend electronic copies with overseas suppliers simultaneously to avoid demurrage.

Finally，the compliance implementation phase will simultaneously complete the verification of the Customs electronic ledger to ensure no subsequent tax repayment risks. A dedicated account manager will provide real-time progress updates for all links to avoid delays caused by information asymmetry.

**status:** accepted
**Author:** Daniel Xu
**Date:** 2026-07-10

### Answer 2

The import customs valuation of extrusion molds is a key link affecting the customs clearance lead time. If the declared price deviates by more than 10% from the Customs internal price database, it will trigger valuation inquiries, and you need to provide supporting materials such as purchase contracts, payment vouchers and detailed R&D cost statements of the molds. This process will extend the customs clearance duration by 3-7 days.

It is recommended to prepare the "customized R&D explanation" of the molds in advance, clearly stating that the molds are only applicable to the production of specific profiles and have no general market pricing, which can reduce the probability of valuation inquiries; if the valuation inquiry has been triggered, you can apply for the retroactive application of "advanced pricing ruling" to shorten the valuation cycle to 1-2 days. In addition, if the declaration is canceled and resubmitted due to incorrect HS code classification, all documents need to be resubmitted, which will increase the lead time by 5-10 days, so the pre-classification process must be accurate.

**status:** suggested
**Author:** Michael Zhang
**Date:** 2026-07-10

### Answer 3

The free detention period after the extrusion molds arrive at the port (7 days at Yangshan Port) is the core indicator of lead time control. If the customs clearance exceeds the time limit, the daily container demurrage fee is 0.1% of the container value, and it will affect the priority of subsequent port operations. It is recommended to submit all customs clearance documents to the agency company 7 days before the goods arrive at the port, and simultaneously apply for "advanced container pick-up".

If the documents are approved, you can pick up the container immediately after the goods arrive at the port to avoid pick-up delays caused by yard congestion. In addition, choosing a direct vessel instead of a transshipment vessel can reduce the停留 time of the goods at the transshipment port, and the overall logistics + customs clearance duration can be shortened by 2-3 days; in case of overbooking and container rejection, you can apply to rebook on the subsequent voyage of the same route, and simultaneously apply for "demurrage extension filing" with the Customs to avoid additional demurrage fees.

**status:** suggested
**Author:** Kevin Lin
**Date:** 2026-07-10

### Answer 4

Choosing VAT deferred declaration for customs clearance of imported extrusion molds can skip the "pick up goods after paying taxes" link, and complete tax filing within 60 days after the customs clearance is completed. This operation can shorten the customs clearance duration by 1-2 days (no need to wait for the confirmation time of tax payment arrival). However, it should be noted that VAT deferral is only applicable to general taxpayer enterprises, and you need to apply for "import VAT deferral qualification" to the competent tax authority in advance.

If you do not apply in advance, you need to pay VAT on the spot during customs clearance, and it usually takes 1-2 days for the tax payment to arrive, which will delay the pick-up of goods. In addition, if the molds are used for the production of export products, you can apply for "input tax deduction". You need to submit the "export product production plan" simultaneously during customs clearance to avoid tax inspection during subsequent deduction and affect the overall lead time.

**status:** suggested
**Author:** Jason Wu
**Date:** 2026-07-10

### Answer 5

The compliance of payment and receipt for imported extrusion molds will indirectly affect the customs clearance lead time. If the payment voucher does not match the declared price, it will trigger the Customs "payment and receipt verification", resulting in 3-5 days of customs clearance delay.

It is recommended to separately list the "customization fee" and "transportation insurance premium" of the molds when making payment to avoid mixing with the payment for goods, and submit the complete screenshot of the SWIFT message (including annotations) during customs clearance to clearly indicate that the payment purpose is "purchase payment for extrusion molds". In addition, if you use the RMB Cross-border Payment System (CIPS), you can complete the payment confirmation within 24 hours, which is 1-2 days faster than traditional USD payment, and can provide more timely supporting materials for the customs valuation link, shortening the valuation duration.

**status:** suggested
**Author:** Cindy Chen
**Date:** 2026-07-10

### Answer 6

If the extrusion molds involve patented technology, you need to file for intellectual property rights protection with the Customs in advance. If not filed, the Customs may detain the goods due to "suspected infringement", resulting in 7-15 days of customs clearance delay. It is recommended to submit materials such as the patent certificate and authorized production certificate of the molds to the Customs Intellectual Property Protection Center before the goods are shipped.

After the filing is completed, you can directly submit the filing number during customs clearance to avoid infringement inspection by the Customs. In addition, if the contract provided by the overseas supplier contains an "exclusive use clause", you need to submit it simultaneously during customs clearance to clearly state that the molds are only for the exclusive use of the purchaser and have no possibility of secondary sale, which can reduce the Customs supervision level and shorten the customs clearance duration.

**status:** suggested
**Author:** Evelyn Li
**Date:** 2026-07-10

### Answer 7

When the extrusion molds are selected for inspection, you need to prepare materials such as "disassembly and assembly diagram" and "precision test report" in advance to avoid extending the inspection time due to the inability to display the core components of the molds during uncontainerization. During on-site inspection, you need to cooperate with Customs staff to display key parts such as the "cavity" and "core die" of the molds.

If the molds are high-precision CNC molds, you can apply for "non-destructive inspection" to avoid mold damage caused by disassembly and assembly, and simultaneously shorten the inspection time from 3-5 days to 1-2 days. In addition, if the packaging of the molds is found damaged during inspection, you need to immediately submit the "packaging certificate from overseas supplier" to clearly state that the packaging damage was caused during transportation, to avoid being identified as "cargo damage" and triggering subsequent inspection and quarantine procedures, which will extend the customs clearance duration.

**status:** suggested
**Author:** Victor Sun
**Date:** 2026-07-10

### Answer 8

The packaging compliance of extrusion molds will affect the customs clearance lead time. If the packaging is not marked with "fragile" or "precision instrument" and other signs, the Customs may require repackaging due to "packaging does not meet regulatory requirements", resulting in 2-3 days of customs clearance delay.

It is recommended to use a three-layer packaging of "wooden box + cushioning foam + moisture-proof film". The load-bearing capacity of the wooden box must meet the port operation requirements, and at the same time mark the "weight", "size" and "origin" of the molds on the outside of the packaging to avoid yard sorting delays caused by missing information.

In addition, if the molds contain flammable and explosive components such as hydraulic oil, they need to be packaged in UN dangerous goods packaging separately and submit the MSDS report. If not prepared in advance, it will trigger dangerous goods inspection by the inspection and quarantine department, extending the customs clearance duration by 5-7 days.

**status:** suggested
**Author:** Linda Gao
**Date:** 2026-07-10

### Answer 9

If the extrusion molds are used for the production of export profiles, their import VAT can be used for input tax deduction for export tax refund. However, if the "export production plan" is not submitted simultaneously during customs clearance, "document supplementary verification" will be required during subsequent tax refund, which will affect the lead time of export tax refund and indirectly cause delayed capital return for the enterprise.

It is recommended to submit materials such as "export profile purchase contract" and "production schedule" simultaneously to the Customs and tax authorities during customs clearance to clearly state that the purpose of the molds is export production, and you can directly complete the "input tax deduction filing" during customs clearance to avoid subsequent supplementary verification procedures. In addition, if there is a correlation between the import price of the molds and the pricing of export profiles, you need to conduct "related party transaction pricing filing" in advance to avoid transfer pricing inspection by the tax authorities and affect the overall capital and lead time.

**status:** suggested
**Author:** Andy Guo
**Date:** 2026-07-10

### Answer 10

The customs clearance lead time for imported extrusion molds needs to be linked with the enterprise's supply chain planning. If the enterprise adopts the "JIT production mode", it needs to start customs clearance preparation work 15 days in advance, including document pre-review, HS code pre-classification and Customs filing, to ensure that the molds are cleared and picked up 1 day before production.

It is recommended to adopt the "pre-clearance" mode, that is, submit all documents to the Customs for pre-review 7 days before the goods arrive at the port, and the customs clearance can be completed directly after the goods arrive at the port, which can shorten the overall duration by 3-4 days. In addition, if the enterprise imports extrusion molds for a long time, it can apply for the "Advanced Certified Enterprise (ACE)" qualification from the Customs, enjoying preferential measures such as "priority document review" and "priority inspection", and the customs clearance lead time can be shortened to 3-5 days, while reducing additional costs such as demurrage fees and urgent fees.

**status:** suggested
**Author:** Lucas Liu
**Date:** 2026-07-10

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