... ,yellow,galvanized We can supply various standard and material flanges FLANGE:WELDING NECK ,SLIP ON ,BLIND ,PLATE,THREADED,LAPPED ,SCREWDE,SOCKET WELDING ... ,THREADED5) SABS1123:SLIP ON ,WELDING NECK ,PLATE,BLIND We are a leading manufacturer in flanges and pipefittings in China and our products have ...