Xinxiduo Solar Energy has been dedicated to solutions for the solar energy for more than 10 years.Our company now offers various pre-insulated solar pipes .All of our products are insulated with Aeroflex EPDM insulation pipes which are all tested and approved with TUV and UL certificates . For our tested twin solar pipes , they are integrated solar pipe systems with feed , return pipe line and sensor wire , meet all special requirements for the solar installations . Our constant stocks gurantee a quick delivery time . Because of global warming, the increase using environment-friendly energy technologies, such as solar power is a must . Solar energy reaches the earth at the rate of 1kW/h per sqm. This solar energy can be used for domestic energy consumption , saving the warm water energy costs and preserving other natural resources. The innovative pre-insulated system solution avoids thermal energy losses , ensuring optimization of the total installation .