Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering 10" DN250 Stainelss Steel JIS B2238 Hubbed Slip on Flange, 1/2" DN15 Pn16 BS4504 Thd Threaded Flange Stainless Steel, Class300, China Carbon Steel Flange Rubber Flexible Expansion Joint and so on.