Document expectations differ between buyers and destinations, so this checklist separates what accompanies every shipment from what needs advance arrangement.

Provided by default

  • Certificate of Analysis (COA) with batch number and grade designation.
  • Particle-size distribution report: D10 / D50 / D90 by laser diffraction, method per JB/T 7990.
  • Batch traceability record, Safety Data Sheet (SDS), packing list and commercial invoice.
  • Photos of actual labels and packaging for your approval before dispatch.

Available on request

  • Certificate of origin, per destination-country requirement.
  • Third-party test report by a customer-nominated laboratory (cost and lead time quoted).
  • Retained reference sample for arrival comparison.

Documents are issued by the partner factory; Xintai checks them and delivers them with the goods. State any special document requirements in your enquiry so they are priced and scheduled correctly.