1.we are manufacturer, with more than 20 years experience 2.support OEM 3.our price is competitive, as we are the source HDPE PIPE 40MM FOR WATER SUPPLY EN253-2003Advantage and characteristics: 1.project cost can be reduced by 25%.2.reduce heat loss, energy saving, heat preservation effect increased by 4 ~ 9 times and the water absorption rate is very low, about 0.2kg / m2.3.anti-corrosion, good ...