Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering Class300, China Carbon Steel Flange Rubber Flexible Expansion Joint, 6" DN150 Ejma Thermal Metal Steel Bellows Expansion Joint Compensator, 1" DN25 Class300 Stainless Steel 1.4301/1.4307 Socket Welding Flange Sw ANSI B16.5 and so on.