Dinsen Impex Corp, a major supplier in the Chinese market of cast iron drainage pipe systems since 2007, offers SML cast iron pipes and fittings as well as couplings. Our couplings’sizes range from DN40 to DN300, including type B coupling, type CHA coupling, type E coupling, clamp, grip collar ect suitable for hubless cast iron pipe.

　　Dinsen Impex Corp, a major supplier in the Chinese market of cast iron drainage pipe systems since 2007, offers SML cast iron pipes and fittings as well as couplings. Our couplings’sizes range from DN40 to DN300, including type B coupling, type CHA coupling, type E coupling, clamp, grip collar ect suitable for hubless cast iron pipe.