Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering 4 DN100 Pn16 Flange Single Sphere Rubber Flexible Expansion Joint, 56′′dn1400 Pn16 Flange Rubber Flexible Expansion Joint, 1/2" DN15 Class1500 Stainless Steel ANSI ASME B16.5 Welding Neck Flange Forged and so on.