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China high quality Ductile Iron Ggg40 DN150 Coupling Pn10/16 Coupling Dismantling Joint Carbon Steel Ductile Iron Pipe Fitting Flange Adaptor China Factory Pipe Universal Coupling coupling constant

Product Description Ductile Iron GGG40 DN150 Coupling PN10/16 Coupling Dismantling Joint Carbon Steel Ductile Iron Pipe Fitting Flange Adaptor China Factory Pipe Universal CouplingCarbon Steel Dismantling Joint Flanged PN16 Technical Specification:Nominal Diameter:...