300mm Double Wall/Steel Band Corrugated Pipe for Storm Water Drainage Good Price - China HDPE Corrugated Pipe, Steel Band Corrugated Pipe | Made-in-China.com
Large Diameter Plastic Drain Pipe 200mm 300mm 400mm UPVC PVC Pipe Prices List - China UPVC Pipes and UPVC Water Supply Pipes price | Made-in-China.com