
Incoming Material
Verify casting, sealing and stem materials against the approved specification.
From incoming materials to final pressure testing, our quality center presents the process, certificates and documents buyers need for technical approval.

Verify casting, sealing and stem materials against the approved specification.

Control key dimensions, surface finish, assembly torque and component matching.

Perform shell and seat testing based on the agreed valve standard and pressure.

Confirm appearance, marking, documentation and export packing before release.
Only current, product-relevant certificates should be published with issuer, number, scope and validity.

Quality, environmental and occupational safety management certificates.

Product certificates, patent records and qualification documentation.
Sample and order-specific reports for technical and shipment approval.