Jinan HeChuang Mechanical Manufacturing Co., Ltd.
Gost Flange,Gost Butterfly Valve Flange,Gost Stainless Steel Flange,Gost Weld Neck Flange
Our GOST flanges includes forging and steelpalte. We are Chinese manufacturer, and we can make neck flanges, slide flange. We treasure each process inspection in the production. We hope we can get your trust by using our good quality flanges.
Our company has obtained three national patents. We look forward to our customers to negotiate.