The registration address of hebei yan state chemical technology ltd. Is located in the south building of the new territories commercial building, no. 39, quihua camp, south boulevard, hebei province. The registration authority is the market supervision authority of the quihua district, with zhao xing as the representative of the legal entity operating in the areas of technical research and development, technical advice, technical services, technology transfer, chemical raw materials and products, construction materials, electronics, car parts, mechanical and electrical equipment, rubber products, office supplies ... (project authorized by law, subject to the approval of the relevant department)