---
title: "Full-process Analysis of Import Agency for Huitian New Materials from Japan - Zhongshen Trading China"
description: "In 2026，import supervision on high-performance adhesives imported from Japan has been tightened，and MSDS review，hazardous chemical classification，and environmental standards have become three major compliance thresholds. Zhongshen has been deeply engaged in chemical import agency for over 20 years. For organic silica gel and polyurethane adhesive products under Huitian New Materials category，we have sorted out the complete link from document pre-audit to port release，helping manufacturing enterp..."
url: "https://www.sh-zhongshen.com/en/import-agent-services/japan-adhesive-import-agent-process.html"
language: "en"
type: "Article"
category: "Import agent"
datePublished: "2026-09-27"
dateModified: "2026-09-27"
brand: "Zhongshen Trading China"
image: "https://cndpic.sh-zhongshen.com/uploads/tradepics/37628wQXUAhTv.webp"
---

# Full-process Analysis of Import Agency for Huitian New Materials from Japan

## Import Background and Core Difficulties of Huitian New Materials Adhesives from Japan

In the first quarter of 2026,the demand for Japanese high-performance adhesives from the electronic manufacturing and new energy vehicle industrial chains in the Yangtze River Delta increased by 23% year-on-year.Organic silica gel and polyurethane structural adhesive products represented by Huitian New Materials outperform domestic similar products in temperature resistance and bonding strength,making them the preferred material for precision electronic packaging and battery module fixing.Import of such products is not simple procurement and transportation,it involves three thresholds: chemical supervision,hazardous chemical identification,and environmental standards.

![Full-process Analysis of Import Agency for Huitian New Materials from Japan](https://cndpic.sh-zhongshen.com/uploads/tradepics/37628wQXUAhTv.webp)

The new energy battery module factory owned by Mr.Shao once attempted to independently import a batch of Japanese-made thermal conductive structural adhesive.After the goods arrived at Shanghai Waigaoqiao Port,the flash point data in the MSDS deviated 3from the actual measured value obtained by the port laboratory,so the product was classified as Class 3 flammable liquid,and a supplementary Hazardous Characteristic Classification and Identification Report was required.The entire port detention period lasted 17 days,resulting in a total of more than 80,000 RMB in overdue container fees and storage fees.Such situations are not uncommon in chemical import procedures.Details such as component content,VOC indicators,and whether the product is listed in the Catalogue of Hazardous Chemicals directly determine the customs clearance path and cost.

## Core Value Positioning of Zhongshen’s Import Agency Service

Zhongshen entered the chemical import agency field in 2006,and has handled more than 4,000 customs clearance cases of Japanese adhesives.Our core advantage lies in pre-risk prediction capability: we intervene in product component analysis,supervision document prediction,and port selection evaluation before customers sign contracts with overseas suppliers.After the implementation of the 2026 new edition of Catalogue of Hazardous Chemicals,we sorted out the HS code classification and supervision condition matching table for 78 common Japanese adhesive products three months in advance,helping customers avoid document amendment and return shipment risks caused by classification errors.

Agency service is not just simple document transfer,it is built on the basis of in-depth understanding of product technical characteristics.Take RTV room temperature vulcanized silicone rubber,a common product of Huitian New Materials,as an example: its crosslinking agent contains ketoxime compounds,and some models fall under the scope of the Regulations on the Administration of Controlled Chemicals.Zhongshen’s technical team will obtain the product formula sheet in advance,check against regulatory red lines,and advise customers to adjust procurement models or apply for special permits when necessary.This pre-intervention mode controls compliance risks at the source of the supply chain.

## Stage-by-stage Disassembly and Practical Key Points of Import Process

### Stage 1: Document Pre-audit and Supervision Condition Confirmation

Basic documents provided by Japanese suppliers usually include: commercial invoice,packing list,certificate of origin,and Japanese version MSDS.Zhongshen completes three core tasks within 48 hours after receiving the documents:

![Zhongshen: 20 Years of Practical Experience in Chemical Import Agency](https://cndpic.sh-zhongshen.com/uploads/tradepics/37hsCYwF7XxeY.webp)

- MSDS content compliance review: focus on checking the completeness of 16 items,especially Item 2 Hazard Overview,Item 9 Physical and Chemical Properties,and Item 14 Transport Information.In 2026,customs has tightened the verification of MSDS authenticity,requiring that the proportion of third-party data reports issued by overseas testing institutions increased to more than 60%.We will send the Japanese MSDS to our cooperative laboratory in Japan for data re-verification,ensuring that key indicators such as flash point and explosion limit are consistent with the declaration.
- Pre-judgment of hazardous chemical classification: According to the Recommendations on the Transport of Dangerous Goods Model Regulations (TDG),combined with the product’s closed-cup flash point and initial boiling point data,we judge in advance whether it belongs to Class 3 flammable liquid,Class 4.1 flammable solid or Class 8 corrosive.We once handled a shipment of Huitian polyurethane adhesive,the Japanese MSDS did not mark the content of isocyanate monomer.Based on experience,we judged that it might belong to Class 6.1 toxic substances,and arranged GHS classification identification in advance,avoiding passive inspection when port inspection is carried out.
- Supervision document matching: Check against the Catalog of Entry-Exit Commodities Subject to Inspection and Quarantine by Entry-Exit Inspection and Quarantine Institutions to confirm whether it is necessary to apply for the Declaration of Compliance for Imported Hazardous Chemicals Business,Chinese Safety Data Sheet,and Chinese Hazard Communication Label.Starting from 2026,Shanghai Port mandatorily requires the provision of Component Description Guarantee for first-time imported chemical products.We assist customers in communicating with Japanese manufacturers to obtain detailed description of polymer monomer composition ratio.

### Stage 2: Port Customs Declaration and Accurate Tax Calculation

Japanese adhesive imports at Shanghai Port are mainly concentrated at Waigaoqiao Port and Yangshan Port.Which port to choose depends on the product’s hazardous chemical grade and the port area’s storage capacity.Zhongshen will inquire about the hazardous cargo storage quota of the port in advance according to the UN number of the goods,to avoid the situation that the goods cannot be unloaded after arrival.

The core of the customs declaration process is the accuracy of HS code classification.Huitian New Materials products involve multiple tax codes:

| Product Type | Common Components | Recommended HS Code | 2026 Most-favored-nation Tariff Rate | Supervision Condition |
| --- | --- | --- | --- | --- |
| Organic Silicone Sealant | Polydimethylsiloxane,Silicon Dioxide | 3506919090 | 10% | A/B |
| Polyurethane Structural Adhesive | Polyol,Polyisocyanate | 3506990000 | 10% | A/B |
| Epoxy Conductive Adhesive | Epoxy Resin,Silver Powder | 3506990000 | 10% | A/B |

The core of classification dispute is whether the product belongs to "adhesives with polymer as the basic component".The new classification guidance issued by the Customs Classification Administration in 2026 clearly stipulates that as long as the weight proportion of polymer components in the product exceeds 50%,it should be classified under heading 35.06,instead of being classified into Chapters 28,29 or 39 according to the main component.When declaring,Zhongshen will attach the polymer content test report provided by the Japanese supplier as the classification basis for filing.

In terms of tax calculation,in addition to 10% tariff,13% value-added tax should also be included.For products that comply with the Rules of Origin of the Regional Comprehensive Economic Partnership (RCEP),tariff preferences can be enjoyed with the RCEP certificate of origin issued by Japan.However,in practice,many Japanese adhesive products use raw materials purchased from third countries,which cannot meet the requirement of 40% RCEP regional value content.We will calculate the detailed product cost in advance to judge whether it meets the preference conditions,avoiding time delay caused by blindly applying for RCEP certificate.

### Stage 3: Port Inspection and Quality Inspection

The inspection rate of imported chemical products has remained above 30% for a long time.In 2026,Shanghai Customs launched the "appointment inspection" mechanism.Zhongshen can book the inspection time slot 3 days before the arrival of goods through the single window,reducing the inspection waiting time from an average of 5 days to within 2 days.

Key inspection items include:

- Packaging consistency check: Check whether the UN marking and packaging category of the actual goods are consistent with the declaration.Japanese suppliers often use combined packaging that meets UN standards,but some models use plastic inner packaging and carton outer packaging.It is necessary to ensure that each layer of packaging is marked with the correct hazardous chemical marking.
- Label compliance review: The Chinese hazard communication label must include product name,components,pictogram,signal word,hazard description and other elements,and the size shall not be less than 100mm×100mm.We have encountered the situation that the font size of the label provided by the Japanese side was too small,and the port required re-labeling.Therefore,we will provide the label template for customer confirmation before shipment.
- Sampling inspection judgment: For first-time imported products or products with doubtful components,customs will sample on site and send to Shanghai Research Institute of Chemical Industry for testing.The testing cycle is usually 7-10 working days.Zhongshen maintains data communication with the laboratory,and can predict the test results in advance.If any indicator is found to be likely to exceed the standard,we will immediately activate the emergency plan with the customer,and evaluate whether to apply for re-inspection or return shipment.

### Stage 4: Warehousing Logistics and Last-mile Delivery

After passing inspection and release,hazardous chemicals must be stored in a hazardous chemical warehouse with corresponding qualifications.The storage capacity of compliant hazardous chemical warehouses in Shanghai is tight.Zhongshen has signed annual agreements with multiple warehouses in Pudong and Fengxian,ensuring priority warehousing even in peak season.For non-hazardous chemical products,ordinary bonded warehouses or normal temperature warehouses can be selected,but it should be noted that some organic silica gels are temperature sensitive,and the storage temperature should not exceed 30,otherwise the product performance will be affected.

In the last-mile delivery link,hazardous chemical transportation must be entrusted to a logistics company with Road Transportation Operation Permit (business scope includes dangerous goods).We will match the appropriate model of hazardous chemical transport vehicle according to the UN number of the goods,and handle the Highly Toxic Chemical Road Transport Pass or Flammable and Explosive Dangerous Goods Transport Permit in advance.In 2026,the Yangtze River Delta region implements the electronic waybill system for hazardous chemical transportation,all vehicles must be installed with GPS positioning system,and the data is uploaded to the Ministry of Transport supervision platform in real time.

## Practical Case: Risk Avoidance for Thermal Conductive Structural Adhesive Import for Mr.Shao’s Company

In March 2026,Mr.Shao’s company urgently needed a batch of Japanese-made Huitian CTB-518 thermal conductive structural adhesive for a new energy vehicle battery project.This product has a thermal conductivity of 3.5W/m·K,with two-component packaging.Component A contains aluminum hydroxide filler,and component B contains platinum catalyst.It was Mr.Shao’s first time handling import business,he only got the English version MSDS provided by the Japanese side,which did not mark the specific composition of the catalyst.

After Zhongshen intervened,three potential risk points were identified:

- Platinum catalyst may be involved in the Catalogue for the Administration of Import and Export of Gold and Gold Products.Although the content is lower than the exemption threshold,a component ratio description is still required;
- The particle size distribution of aluminum hydroxide filler is not marked in the MSDS,and the port may suspect it is a nanomaterial,triggering special supervision;
- The curing time of the product after two-component mixing is 2 hours,which belongs to fast-curing adhesive.Customs may require a volatile organic compound (VOC) content test report.

We immediately launched three countermeasures: First,contact the Japanese manufacturer to issue a Catalyst Composition Statement,clarifying that the platinum content is 50ppm,which is lower than the regulatory threshold; Second,supplement the filler particle size test report,proving that the D50 particle size is 15 microns,which does not belong to nanomaterials; Third,send the sample to Shanghai Research Institute of Chemical Industry for VOC pre-testing in advance,the result showed that the VOC content is 45g/L,which meets the standard of Limit of Volatile Organic Compounds in Adhesives (GB 33372-2026).At the same time,we assisted Mr.Shao in handling the Declaration of Compliance for Imported Hazardous Chemicals Business,and designed and produced Chinese hazard communication labels that meet national standards.

The goods arrived at Yangshan Port on April 5.We completed the inspection appointment in advance,and customs released the goods after only checking the packaging and labels,no sampling inspection was triggered.It took 2.5 days from arrival of goods to pick-up,which shortened the cycle by 70% compared with other goods handled independently by Mr.Shao before,directly saving about 60,000 RMB in container detention fees and storage fees.More importantly,the project production line did not stop due to material delay,avoiding greater default risk.

## Quantified Value Embodiment of Zhongshen’s Professional Agency

The core value of chemical import agency is to convert uncontrollable compliance risks into predictable standardized processes.Through 20 years of case data accumulation,Zhongshen has established a risk database for Japanese adhesive products,covering technical parameters and supervision records of 127 brands and more than 2,000 models.In 2026,we launched the "intelligent pre-audit" service.After customers upload MSDS,the system can output the supervision document list,estimated customs clearance time,and risk warning level within 15 minutes.

In terms of efficiency improvement,our pre-intervention model saves customers an average of 5-7 working days.Taking a shipment of Japanese adhesives with a cargo value of 500,000 RMB as an example,early release means reducing capital occupation interest of about 2,000 RMB,saving about 15,000 RMB in port detention fees,with a total cost reduction and efficiency increase of 17,000 RMB,accounting for 3.4% of the cargo value.

In terms of risk avoidance,among the Japanese chemical import cases we served in 2025,the return shipment rate was 0,and the inspection and testing rate was controlled below 12%,far lower than the average inspection rate of 30% at the port.This benefits from the strict check in the document pre-audit link,ensuring that the declaration information is highly consistent with the actual situation of the goods,and reducing the probability of customs questioning.

For enterprises planning to purchase Huitian New Materials products from Japan,the significance of choosing a professional agency is not only customs clearance convenience,but also obtaining a partner that understands products,supervision and supply chain.Zhongshen continues to track the technical trends of the Japanese adhesive industry and changes in China’s regulatory policies,and releases the Japanese Chemical Import Compliance Briefing every month,helping customers avoid potential risks at the procurement decision-making stage,and achieve the dual goals of supply chain security and cost optimization.

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