Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering 18" DN450 90 Degree Stainless Steel Butt Weld Pipe Fitting Elbow ASTM A234 Gr. Wpbbased on Nace Mr 0175, DN500 20" Carbon Steel Angle Bellows Compensator, Ss321 and SS316L Ejma Metal Expansion Joint Compensator and so on.