... spokeed byOlympic champio features1)PPR-AL-PERT Plastic Composite pipe WITH CE,ISO9001,ISO14001,PICC2)size:20mm to 110mm3 ... chemical materials.3. Pure water pipe system.4. Piping networks for rainwater utilization systems.5. Irrigation systems for gardens.6. ... pipes in industry and agriculture.in one word,laboratories, chemical pipe works, hot and cold water syatem, water purifying engineering ...