HDPE Heavy-Calibre Reinfored Winding Pipes Production Line HDPE heavy-calibre reinforced winding pipe is the key task technology of nationaol "15" plan. We have developed the devices for producing the pipe on the base of absorbing and digesting advanced technology from the world. The devices have been on sale in the market. The productionline can produce HDPE pipe with diameter from ¦µ160mm to ¦µ2000mm, which is the ideal product can be used instead of steel pipe, concrete pipe and plastic solid wall pipe