Quick Detail:1、Place of Origin:Hangzhou,China2、Port of shipment:Ningbo3、Brand name:ZDM4、Type:Corrugated pipe5、Material:PE/PP/PA66、Inside Diameter:50~160mm,etc.7、Product name: Round plastic corrugated pipe8、Color:Black9、Sample:Free10、Transport:ShippingPacking&Delivery:1、Packing Detail:carton box2、Delivery Detail:In stock 10 days;customized 15-20 daysProduct Description1、Application:Used for pre-stressed tendons in the tunnel molding2、Our factory can produce the goods according to your drawings.3、Specification