The registration address of hebei hongko environmental technology ltd. Is located in the high-technology industry development area (south region) of the yuzhou region of the city of accounting for water, with the registration authority being the market supervision authority of the yuzhou region, represented by a legal person, li, which operates on general items: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; development of new materials and technologies; fibreglass and products, high performance fibres and composite materials, fibre-enhanced plastics, plastics, engineering plastics and synthetic resins, gas and gas desulphur denitation equipment, vehicle parts and accessories, rubber products, spare parts for agro-forestry and fisheries, metal structures, moulds, coatings (without hazardous chemicals), synthetic materials (without dangerous chemicals), eco-environmental materials, wind machines, fans, pentafin products, manufacture, marketing; sewage treatment and their reuse; installation services in public environmental sanitation; steel-restuffing; sale of non-metal mines and products, building and gas defouling materials, and chemical products (without licensed chemicals). (in addition to projects subject to authorization under the law, the operation is carried out autonomously under a licence)。