Nanjing Yuntian wave tube compensator Co., LTD is to research, manufacture, sales of all kinds of metal, non-metal expansion joint, metal hose, general machinery and equipment and complete sets of industrial and mining equipment company. In recent years, it has undertaken the manufacturing tasks in the construction of electric power, building materials, steel, petrochemical, heat pipe network, etc., so that the company’s products have been widely and successfully applied.