The project length of 21.5km, a total investment of 230 million yuan, using our company DN450-DN1200 polyethylene outer sheath rigid polyurethane prefabricated direct buried insulation pipe. With the Zouxian Power plant as a centralized pipe network to replace the heat source, take the long distance heating pipeline project to replace the winter heating of the mining area, after the completion of the project, will effectively solve the mining area residents heating and industrial steam demand after the closure of the power plant.