Language
Quality casts the brand, innovation leads the development
Body/bonnet: ASTM A216 WCB
Wedge: ASTM A182 F6A
Seat: ASTM A182 F6A
Stem: ASTM A182 F6A+PTFE
Valve Design: API6D
Flange: ASME B16.47 Series B
ABOUT ZGV 丨 YHG
Products
News
Services
Applications
Contact us