Business license

High-tech enterprise certificate

Zhejiang Province science and technology smes

Trademark registration certificate

Trademark registration certificate

Trademark registration certificate

Abide by the contract and credit enterprise certificate

Registration form for foreign trade operators

Special equipment production license

Type test Certificate for special equipment - gate valves

Type test Certificate for special equipment - globe valves

Type test Certificate for special equipment - check valves

Type test Certificate for special equipment - ball valve

CE certificate

Russian GOST certification

Uzbekistan certification

Russia installation license

Russia installation license

Quality management system certification - Chinese

Quality management system certification - English

Environmental management system certification certificate - Chinese

Environmental management system certification certificate - English

Occupational health and safety management system certification - Chinese

Occupational health and safety management system certification - English

Invention patent certificate - a dynamic sampling globe valve

Utility model patent certificate - a hydraulic self-closing butterfly valve for industrial use

Utility model patent certificate - a handle external control ball valve

Utility model patent certificate - a safety gate valve

Utility model patent certificate - a stem anti-rotating structure of a globe valve

Utility model patent certificate - an API ball valve

Utility model patent certificate - a swing type check valve

Utility model patent certificate - a check valve

Utility model patent certificate - a flanged Y-type filter

Utility model patent certificate - a quick check valve

Utility model patent certificate - a ball valve with filter can be switched

Industry integrity unit registration certificate

Credit rating certificate

Quality, service integrity unit certificate

Integrity supplier enterprise certificate

Integrity management model unit certificate

Enterprise certificate of honoring contracts and keeping promises

AAA credit enterprise

Wenzhou Longwan District valve industry Association the sixth governing unit

Wenzhou Longwan District Yongxing Chamber of Commerce sixth council unit