The registration address of sioux circumpurification equipment ltd. Is located at no. 47, no. 1-210, cross-kee swans road in the wuzhou economic development zone. The registration authority is the administrative approval board of wu centre district of suzhou city. The legal entity is represented by fang liyun and operates in the following areas: research and development, production and sale of: purification equipment, industrial gas equipment, water treatment equipment, metallurgical equipment, environmental equipment, electrical equipment, machinery equipment, automated control systems, and corresponding technical and after-sale services; processing of wood particles; research and development, sale of: non-hazardous gas catalysts, adsorbents, hardware, electronics, instrumentation; marketing of non-hazardous chemical products, metal materials, plastics, architectural decorators, lighting appliances, day-use water treatment works, environmental protection works, purification works, design of metallurgical works, installation and testing. (projects subject to legal approval may not operate without the approval of the relevant department)