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...