The registration address of tangshan final environmental science and technology ltd. Is located in the village of xiping, kasheng city, hebei province (in the compound of the nie dynasty and porcelain factory). The registration authority is the market supervision authority of the kasing district, tangshan city. The legal entity is represented by the high temple and operates in such areas as environmental works, ventilation works, central air conditioning works, ventilation processing, installation; central air-conditioning equipment, winding equipment sales and installation; environmental technology promotion services; ventilation equipment sales, design, installation and maintenance; hardware, mechanical equipment, electrical cables, hardware products and electronics, wholesale distribution of decorative materials ** (project authorized by law and subject to approval by the relevant authorities)