... h HDPE silicon core pipe machine line/HDPE silicon core pipe exruder/plastic machine 1 HDPE Silicon Core Pipe making machine is insulativity,and ... co-extrusion,cooling and finalizing the design,drawing and winding,the production line is characterized by high automaticity,even ... ) 8)Cooling Mode Vacuum Spraying Water 9)Winding Mode Automatic 10)Winding Length 2000-3000mFor more information, please feel ...