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中文 / English

中文 | English

Home >About us >Honor

Certificates

Special equipment production license
quality management system certification
Environmental Management System Certification
Occupational Health and Safety Management System Certificate
Gold Award Certificate of Underwater Ball Valve Expo
Gold Award Certificate of All-welded Ball Valve Expo
Silver medal certificate of low-temperature ball valve exposition
Shanghai Quality Gold Award Certificate
Enterprise credit rating certificate
Invention Patent Certificate - 24 way rotary valve
Invention Patent Certificate - 24 way rotary valve
Invention Patent Certificate - Multi-station Material Distribution Valve Distribution Method
Invention patent certificate - a fixed disk structure convenient for surface reprocessing
Invention patent certificate - a new type of chromatographic separation rotary valve
BV MODE II SCHEME Certificate
BV MODE II SCHEME Certificate
PED CE Certificate
API 609 Certificate
API 600 Certificate
API 6D Certificate
SIL Certificate
SIL Certificate
SIL Certificate
SIL Certificate
SIL Certificate
SIL Certificate

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