... the metal pipe fittings and can manufacture according to any drawing 1). Type: WN Flange, SO Flange, RTJ Flange, BL Flange, LJ Flange, SW Flange, Thread Flange2 ... in Petroleum, Chemical industry, Machinery, Electric power and so on pipe joint.6). Special design availableMaterial: Carbon steel, stainless steel, Alloy ...