Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering Monolithic Insulating Joint 10 Inch DN250 L1180mm Series a Class300# API 5L Gr. B, DN300 12inch Bw Black Painting Carbon Steel Pipe Tee Fitting, Flanged 12inch Inox 321 Metal Bellows Compensator Axial Expansion Joint and so on.