1)one of the biggest professional PP-R pipes and fittings manufacturers 2)Own the most advanced PP-R testing equipments 3) The authorized user of Sabic VESTOLEN P9421 4) Certificates:Sweden BodyCote 8760 hours safety testing report, SGS ISO 9001, SGSISO14000, Chinese MA etc. 5)full items from 20mm to 160mm, different colors 6)According to Germany standard: DIN8077 / 8078 Series available: a) SDR 11 / S 5 / PN 10 b) SDR 9 / S 4 / PN 12.5 c) SDR 7.4 / S 3.2 / PN 16 d) SDR6 / S2.5 / PN20 2) Colors: white, gray, green 3) Dimensions: 20 - 160mm Properties: 1)Healthy and environmental protection with conforming to drinking water standards 2)Resist to high temperature and strong impact 3)Unique and unrivaled German connection techniques with convenient and reliable installation, low labor cost 4) Good heat-preservation,Good anti-corrosion 5) Light, convenient to transport and handle 6) Smooth inner walls, good flow speed 7) Sound insulation (reduced by 40% compared to galvanized steel pipes), can be recycled 8) nice colors and excellent design 9) Extremely long service life (50 years)