Dawei logoDALIAN DAWEIInternational valve & piping supply since the early 1990s
Quality assurance system

Confidence from inquiry to shipment.

Quality has always been a top priority. Products are designed, manufactured, inspected, and tested against international standards and customer-specific requirements.

Requirement Review

Specifications, standards, materials, and documentation are clarified before supply.

Inspection & Testing

Appearance, dimensions, corrosion protection, operation, shell, and seat tests are coordinated as required.

Documentation

Available certificates, drawings, inspection documents, and packing details are organized for the order.

Export Coordination

Marking, packing, and shipment preparation are aligned with international delivery needs.

Certifications

Industry certification capability.

ISO 9001
ISO 9001
API 6D
API 6D
CE / PED
CE / PED
Fire Safe Test
Fire Safe Test

Processing & testing

Dawei quality control facility
Dawei quality control facility
Dawei quality control facility
Dawei quality control facility
Dawei quality control facility
Dawei quality control facility
Dawei quality control facility