Business license

Quality supplier

Hebei Province Credit Construction Advanced Unit

Hebei famous brand certificate

Hebei famous brand

PetroChina CNOOC Network Access Certificate-PetroChina Network Access

CNPC's network access certificate-Sinopec's network access

CNPC, Petrochemical and CNOOC network access certificate-CNOOC network access

High-tech enterprise certificate

AAA credit certificate

CE certificate


ABS certificate1

ABS certificate 2

ISO9001 certificate

ISO9001 certificate

ISO14001 certificate

ISO14001 certificate

ISO45001 certificate

ISO45001 certificate

BV certificate

China's well-known trademark

The company mentioned above has been approved as a member of Confederation of Chinese Metalforming Industry.

Production License of Special Equipment People's Republic of China

Utility model patent certificate: a flange joint with cooling function

Utility model patent certificate: a flange forming machine with fixed function

Utility model patent certificate: a flange production equipment with a protective structure that is easy to maintain

Utility model patent certificate: a sealing flange that is easy to snap

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