... design by requirements 3,innovated European technology 4,PLC control ppr Pipe production line Material adopted: PE,PP,PB,PERT,ABS etc. ... , Innovated European Technology5 ,We adopt 2Screw Extruders,1 is for pipe extrution , the other for the colour line6, Lower noise, ... tank: Long cooling unit ensures high efficiency cooling, Unique pipe line design shorten the cooling length.3,Haul-off unit: special ...