... conctrol 4.low-cost,high efficiency HDPE WATER SUPPLY PIPE EXTRUSION PLANT Application & CharacteristicThe product line of HDPE&MAPE flow pipe ... , convenience in operation, steady and reliable if work continuously, The pipes that the production line produce, have a moderate rigidity and ... of opening flume, and water cooling ,in order to prevent pipes ,precision HDPE WATER SUPPLY PIPE extrusion plant