Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering Floating Flange Double Spherical Flexible Bellow Rubber Expansion Joints, 4" DN100 Class150 Stainless Steel Lap Joint Flanges Stub Ends Fittings Flanges ANSI B16.5, 1 1/2" DN40 Union Threaded Connection EPDM Rubber Flexible Joint and so on.