Qingdao Yifeng Plastic Machinery Co.,Ltd.is specialized in the design and produce cold and hot water supply pipe in nanometer anti-virus PEX material production line, its characteristic as below: *Special single screw extruder for polyolefin, having high extruding velocity and effective plasticization. *Separation mixing screw specialized for polyolefin . *Specially designed three co-extruding die, reasonable channel, smooth outside and inside wall, and little internal stress. *Producing pipe limit Φ 20-Φ 160mm ,manufacture velocity up to 16 m/min . *May be used to produce HDPE silicon core tube, ordinary PP-R, PE and PEX pipes. *Low cost: The cost of nanometer anti-virus pipe is merely increase 5-10 on the ordinary pipe basis. HDPE vacuum corrugated pipe unit 、HDPE carbon fiber spiral coil unit、PVC plastic hard tube extruding production line、PE large-caliber insulated pipe production line.