Features:1) Healthy and non-toxic, free of stain and scale2) High temperature resistance (maximum water temperature up to 90oC) and high pressureresistance (over 5MPa)3) Hot welding connection adopted, making pipes and fittings into a whole, leakageeffectively prevented4) Excellent heat insulation property from minimum thermal conductivity (only onehundredth of that of metal pipes) 5) Light weight (approximately one eighth of that of metal pipes), easy to handleand transport6) Smooth inner wall, reducing the pressure loss and increasing the flow speed7) Low noise, reduced by 40% compared to galvanized steel pipes8) Soft colors and excellent design, suitable for installation either exposed orhidden 9) Wonderful ability in chemical corrosion resistance10) Easy and fast installation, making the cost minimized11) Over 50 years of service life under normal condition