What certifications should Chinese mills provide for steel and metal products?

Mill Test Certificates per heat, ISO 9001 quality management, and product-specific standards (GB, ASTM, BS, EN, JIS) are the baseline - plus any destination-specific compliance certificate.

Standard documentation a buyer should receive with every steel or metal shipment: **Per-shipment documents:** - **Mill Test Certificate (MTC) / EN 10204 3.1** for each heat/batch showing chemical composition and mechanical properties - **Packing list** with weights, dimensions, and bundle marks - **Commercial invoice** and **bill of lading** - **Certificate of origin** (often required for duty preference) **Supplier credentials:** - **ISO 9001** - quality management system - **ISO 14001** - environmental (often required for ESG-sensitive buyers) - **OHSAS 18001 / ISO 45001** - occupational health and safety **Product standards** the goods must be produced to (specify in the PO): - **GB** (Chinese national standards), **ASTM** (US), **BS / EN** (UK/Europe), **JIS** (Japan), or **AS** (Australia) - Examples: GB/T 1499.2 (rebar), ASTM A615 (rebar), EN 10025 (structural steel), JIS G3302 (galvanised sheet) **Destination-specific compliance** (varies by country): - **SONCAP** (Nigeria), **PVoC** (Kenya, Tanzania, Uganda, Saudi Arabia), **SABS** (South Africa), **COC** (Algeria, Egypt, Saudi Arabia) For a country-by-country compliance summary see our [markets directory](/markets).