... 2. stable performance 3.high output UMA-PE large diameter winding pipe production lineBasing on many items of national patents ... extremely excellent characteristics , such as corrosion resistant , light and easy to fix , long life-span(50 years), ... , flats ,athletic field ,square ,mine, agriculture ,and bridges etc. Typepipe diameterExtruderoutputPowerinstallation sizeUMA-CRG-1200400-1200mmUMA-SJ- ...