The legal entity is wang suk-sing, the district market supervisory authority for san-aan, the registration authority of the san-assin district, which is represented by the legal person, and operates on general projects such as the production and sale of filters, filters, filters, valves, fireproofing equipment, paper boxes; sales: filters, filters, dust removal equipment, oil filters, iron ore, steel, rubber products, paper products, metallurgy, hardware, chemical products (without dangerous chemicals), lubricating oils, machinery and accessories, winding equipment, air press fittings, stainless steel products, car accessories. (in addition to the projects subject to legal authorization, the operation is carried out on an autonomous basis with a licence)