... , is a sino-for welcome OEM.Jiangsu Zhanwang Pipe Co., Ltd., located in No.111 Basi Avenue ... researching, manufacturing and selling HDPE double-wall corrugated pipe of all types, HDPE (from type DN20 to ... type DN1200) water supply, gas supply pipe, PP-R (from type DN20 to type DN160) ... heating pipe and all pipe fittings, with annual sales of pipes and pipe fittings 50,000 tons. Sell PPR PE- ...