Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering Rubber Expansion Joint Carbon Steel Cold Galvanizing + EPDM 3" Pn16, Union Rubber Joint EPDM + Iron 2" Pn16, Monolithic Insulating Joint Pipe DN400 300mm Series a Pn1.6 MPa/ Pn2.5 MPa /Pn4.0 MPa /Pn6.4 MPa /Pn10.0 MPa and so on.