THE CERTIFICATES FOR WEIDOULI VALVES

The American Petroleum Institute （API 6D）certificate

The DNV certificate ISO9001：2000

The Environment Management certificate ISO14001

The Authenticate certificate OHSAS18001

The Manufacture License of Special Equipment People’s Republic of China

The High-Tech Enterprise certificate

The Torch Program Project certificate

The China Valve Association Members certificate

The China Titanium Zirconium Association Members certificate

The China Chemical Equipment fixed-point supply certificate

European Safety Standards (CE certificate)

The Invention Patent certificate

Titanium oxidative and corrosive resistance performance Butterfly valves

ZL200510060404.0

Titanium oxidative and corrosive resistance performance Globe valves

ZL200520014634.9

Hastelloy double-groove soft seat Plug valves

ZL200620141806.3

Hastelloy Butterfly valves

ZL200620141833.0

Titanium with yellow ion membrane valve Trim

ZL200720110003.6

The environmental protection closed Sampling valve

ZL20070108254.0

Anti-crystallization double stems Globe valves

ZL200620103393.X

Titanium steam jacket Ball valves

ZL200620141823.6

Titanium forged swing Check valves

ZL200620103394.4

Titanium, zirconium butterfly type Check valves

ZL200720108438.7

Titanium, zirconium Check valves

ZL200720108253.6

Titanium, zirconium Gate valves

ZL200720108439.1

Hollow Ball valves

ZL200420062466.6