BS 3293 1960 Ring Joint Calss 600 Flanges for Oilfield Flange
China BS 3293 1960 Ring Joint Calss 600 Flanges for Oilfield Flange, Find details about China 1000/3 Plate Flange, 1000/4 Welding on Flange from BS 3293 1960 Ring Joint Calss 600 Flanges for Oilfield Flange