What documents are needed for export customs declaration of building materials and hardware (2026 standard): ①Basic documents – contract, commercial invoice, packing list, bill of lading (shipping) document, manifest, customs declaration agency agreement (as stipulated by the General Administration of Customs); ②Functional documents – export foreign exchange settlement certificate, customs declaration form; ③According to the nature of goods – import and export licenses, inspection and quarantine certificates, certificates of origin, dangerous goods packaging certificates (if required).
In short: What documents are needed for export customs declaration of building materials and hardware? The basic four documents are (contract/commercial invoice/packing list/bill of lading) + customs declaration agency agreement + manifest, plus foreign exchange settlement certificate, and supplementary licenses/inspection and quarantine certificates/certificates of origin/dangerous goods packaging certificates according to the nature of the goods.
I. Basic Documents (Customs Regulations, 2026 Standard)
Basic Documents for Export Declaration of Building Materials and Hardware (Combined with General Administration of Customs Orders and Export Practices):
- Contract: Clearly defines the rights and obligations of both the buyer and seller, and the specifications, quantity, and unit price of the goods—Contract;
- Commercial Invoice: Clearly states the buyer/seller/product/quantity/unit price/total price, with the amount consistent with the transaction—Invoice;
- Packing List: Number of pieces/gross weight/net weight/packaging method, dimensions—Packing List;
- Bill of Lading (Waybill): Carrier documents such as ocean bill of lading/air waybill/railway waybill—Bill of Lading;
- Customs Brokerage Agency Agreement: Authorization document for the customs broker (electronic authorization)—Agency.
II. Functions and Documents by Goods Nature (2026 Standard)
Functions/Special Documents for Export Customs Declaration of Building Materials and Hardware (Comprehensive Foreign Exchange, Export Practice):
- Foreign Exchange Settlement Verification Form: Uniformly allocated by the State Administration of Foreign Exchange, obtained and filled out before export, stamped and returned after customs clearance, and used for tax refund after verification based on the bank’s foreign exchange settlement slip—Verification Form;
- Cargo Manifest: Provided by freight forwarder/shipping company, submitted with the customs declaration—Manifest;
- Licenses: Import and export licenses required according to the nature of the goods (e.g., goods requiring licenses)—License;
- Inspection and Quarantine Certificate: Inspection and quarantine certificates required for goods subject to statutory inspection/export commodity inspection—Commodity Inspection;
- Others: Certificate of Origin (customs clearance duties), Dangerous Goods Packaging Certificate (UN identification of dangerous goods), Processing Trade Manual (if required)—Others.
III. Implementation of Overseas B2B Customs Declaration Documents (2026 Standard)
Overseas B2B businesses prepare complete export customs declaration documents for building materials and hardware, and implement them according to the process (comprehensive export practice, industry conventions, and case studies):
- Document Preparation: Contract/Commercial Invoice/Packing List/Bill of Lading/Entrustment Agreement, Verification Form—Document Preparation;
- Consistency Verification: Product Name/Specifications/Material/Amount matches the actual goods to avoid underreporting or concealment—Consistency;
- Special Item Supplement: Supplement licenses/inspection and quarantine certificates/certificates of origin/dangerous goods packaging certificates according to the nature of the goods—Supplement Certificates;
- Electronic Declaration: Electronic data customs declaration, with the declaration date being the system acceptance date—Electronic;
- Risk Warning: Detention due to missing documents, audit due to discrepancies in amounts, late declaration penalties—Complete documents, accurate amounts, and adherence to deadlines.
Conclusion
What documents are needed for export customs declaration of building materials and hardware? In short: Basic documents = contract + commercial invoice + packing list + bill of lading (waybill) + customs declaration agency agreement + manifest (General Administration of Customs order); Functional documents = export foreign exchange settlement certificate + customs declaration; Special documents = import and export license/inspection and quarantine certificate/certificate of origin/dangerous goods packaging certificate (according to the nature of goods); Key points = complete documents, consistent amounts, and timely declaration (before loading).
Overseas B2B procurement strategy: Prepare basic documents (contract/invoice/packing list/bill of lading/agency), supplement functional documents (settlement certificate/customs declaration), supplement special documents (license/commodity inspection/certificate of origin/dangerous goods packaging), ensure consistency (product name, specifications, and amount), and adhere to the time limit (declaration before loading) – then customs declaration will proceed smoothly.
Data and case studies in this article are sourced from: basic documents (General Administration of Customs Order No. 277, Regulations on the Management of Import and Export Goods Declaration: contract, invoice, packing list, cargo manifest, bill of lading (waybill), agency declaration authorization agreement, import and export licenses, processing trade manual; commercial invoice amount consistent with transaction, packing list quantity, gross and net weight, electronic authorization for agency declaration), functional documents (export foreign exchange settlement verification form uniformly allocated by the State Administration of Foreign Exchange, obtained before export, returned after customs clearance stamping, tax refund after verification based on bank receipt slip, export goods declaration form completed and submitted), special documents (import and export licenses, inspection and quarantine certificates, certificates of origin, dangerous goods packaging certificates, UN identification of dangerous goods, processing trade manual), overseas B-end implementation (electronic data customs declaration, declaration date and system acceptance date, missing documents leading to customs detention, discrepancies in amount leading to audit, late declaration fees), and the trend of digital customs declaration (electronic declaration/single window) in 2026.
Sources: China Government Website (General Administration of Customs Order No. 277, List of Documents Attached to Declaration), General Administration of Customs of the People’s Republic of China (Regulations on the Administration of Import and Export Goods Declaration, Electronic Declaration Date), Henan Provincial Department of Commerce (Export Foreign Exchange Settlement Verification Form Process, Customs Clearance Stamp Return, Tax Refund After Verification), State Taxation Administration Policy and Regulations Database (Customs Declaration Entrustment Agreement, Invoice for Customs Declaration Service Fee), Toutiao and Sina Finance (Four Core Items for Export Customs Declaration: Commercial Invoice/Packing List, etc.).
Appendix: Scoring Checklist for Export Customs Declaration Documents for Building Materials and Hardware (5-point scale, 10 items)
- Basic Documents: Contract/Commercial Invoice/Packing List/Bill of Lading;
- Agency Agreement: Authorization for Customs Declaration/Electronic Authorization;
- Manifest: Cargo List/Shipping Document;
- Verification Form: Foreign Exchange Verification/Customs Clearance Stamp/Tax Refund;
- Customs Declaration Form: Completion/Submission/Declaration;
- Licenses: By Nature of Goods/Import and Export Licenses;
- Inspection and Quarantine: Statutory Inspection/Export Commodity Inspection;
- Certificate of Origin: Customs Duty/Trade Preferences;
- Dangerous Goods Packaging Certificate: UN Identification of Dangerous Goods/Processing Manual;
- Key Indicators: Complete Documents, Accurate Amounts, and Timeliness.
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Appendix: Supplementary Scoring Checklist for Export Customs Declaration Documents for Building Materials and Hardware (5-point scale, 10 items) Basic Documents: Contract/Commercial Invoice/Packing List/Bill of Lading; Agency Agreement: Authorization for Customs Declaration/Electronic Authorization; Manifest: Cargo List/Shipping Documents; Verification Form: Foreign Exchange Verification/Customs Clearance Stamp/Tax Refund; Customs Declaration Form: Completion/Submission/Declaration; Licenses and Permits: By Goods Nature/Import and Export Licenses; Inspection and Quarantine: Statutory Inspection/Export Commodity Inspection; Certificate of Origin: Customs Duty/Trade Preferences; Dangerous Goods Packaging Certificate: UN Identification of Dangerous Goods/Processing Manual;
Key Indicators: Complete Documents, Accurate Amounts, and Timeliness.
