About Us > Certificate

business license

Certificate of Authority to use the Official API Monogram

Opening permit

Certificate of CE

ENVIRONMENTAL MANAGEMENT SYSTEM CERTIFICATE 1

Environmental Management System Certification 1

Occupational health and safety management system certification-chinese

Occupational health and safety management system certification-english

Quality management system certificate-chinese

Occupational health and safety management system certification-english

THE INTERNATIONAL CERTIFICATION NETWORK CERTIFICATE 01

THE INTERNATIONAL CERTIFICATION NETWORK CERTIFICATE 02

THE INTERNATIONAL CERTIFICATION NETWORK CERTIFICATE 03

A Balanced Globe Valve - Utility Model Patent Certificate (Signature)

A ball valve - utility model patent certificate (signature)

A cooling control valve

A flat gate valve - utility model patent certificate (signature)

A flow resistance test bench

A high pressure differential control valve

A high side pressure reducing regulating valve

A manual check valve

A manual globe valve - utility model patent certificate

A pneumatic control valve

A self-guided gate valve - utility model patent certificate (signature)

A wedge-type double gate valve - utility model patent certificate (signature)

An automatic recirculation pump protection valve

Butterfly valve - utility model patent certificate

High pressure bypass valve - utility model patent certificate (signature)

Integrated device for temperature reduction and pressure reduction - utility model patent certificate (signature)

Saw machine for gate valve

Test valve - utility model patent certificate (signature)

Production License of Special Equipment People's Repoblic of China- temperature reducing valve

Production License of Special Equipment People's Repoblic of China-Pressure pipeline valve

Type test certificate for special equipment (pressure piping components) - ball valve

Type test certificate for special equipment (pressure piping components) - gate valve (metal valve)

Type Test Certificate for Special Equipment (Pressure Piping Components) - Butterfly Valves

Type Test Certificate for Special Equipment (Pressure Piping Components) - Control Valve

Type test certificate for special equipment (pressure piping components) - extraction check valve

Type test certificate for special equipment (pressure piping components) - ball valve

Type test certificate for special equipment (pressure piping components) - check valve

Type test certificate for special equipment (pressure piping components) - globe valve

Type test certificate for special equipment (pressure piping components)-Gate Valve

Business license

Radiation Safety License

TUV Certificate 1

TUV Certificate 2

TUV-Casting of valve castings

TUV-Quality-Assurance System for material manufacturer according to directive

Chemical analysis-Shen GuoLei

Chemical analysis-Su LaiHe

Chemical analysis-Zhang Meng

Mechanical properties-Niu XiaoLei

Mechanical properties-Su LaiHe

Metallographic examination-Zhang Meng

Nondestructive testing-Qin XiaoLong

Nondestructive testing-Qiu KaiMin

Penetration testing-Qin XiaoLong

Radiographic Film Inspection-Li JunCai

Radiographic Testing-Li JunCai

Radiographic Testing-Qin XiaoLong

TUV certificate-Yuan JiMing

TUV Welder certificate-Li Feng

TUV Welder certificate-Yuan JiMing

Ultrasonic testing by pulse reflection method-Li Yue

Ultrasonic testing by pulse reflection method-Qin XiaoLong