... -R Jiangsu Zhanwang Pipe Co., Ltd., located in No.111 Basi Avenue, Jinhu Economic Development Zone, Jiangsu Province, is a sino-foreign ... engaged in researching, manufacturing and selling HDPE double-wall corrugated pipe of all types, HDPE (from type DN20 to type DN1200 ... -R (from type DN20 to type DN160) cold & hot pipe, PE-RT floor heating pipe and all pipe fittings, with annual sales of pipes and ...