The registration address of hebei billion complex, ltd., is located in the centre of the east hing road central kindergarten in wuyu county, with the registration authority being the wuyu county market supervisory authority of the city of water supply and with the legal representative of zhao lihua, and covers the processing, manufacture and sale of: composite materials, glass and steel products, rubber products, plastics products, metal products, temperature-preserving materials, air pollution control equipment, solid waste and water treatment equipment, ventilation and air conditioning equipment。