... Weld Neck Flange,Slip On Flange,Blind Flange,Threaded Flange,Non-standard flange;2) We are a specialized manufactory in producing ... Flanges;flange3) Standard: ANSI Flange, MSS Flange, API Flange, AWWA Flange, DIN ... any of our products or would like to discuss a custom order, please feel free to contactRaw materialsForgingRollinglathe process PALLETWooden ...