PPR-AL-PERT composite pipe Corrosion&torlerated resistant CE,ISO9001,ISO14001,PICC Famousbrand spokeed byOlympic champio features1)PPR-AL-PERT Plastic Composite pipe WITH CE,ISO9001,ISO14001,PICC2 ... in industry and agriculture.in one word,laboratories, chemical pipe works, hot and cold water syatem, water purifying ... ground movement packing figures are as follows: PPR-AL-PERT Plastic Composite pipe