... ,ISO14001,PICC Famousbrand spokeed byOlympic champion features1)ppr water pipe with CE,ISO9001,ISO14001,PICC2)size:20mm ... ,gray,green,etcApplication Area:1. Cold and hot water systems of residence and commercial buildings.2. Transportation ... word,laboratories, chemical pipe works, hot and cold water syatem, water purifying engineering, underground heating systemAdvantages:1)thermal insulating and ...