The first floor of building b, no. 2081, of the new ann community of east chang city, is located at the registered address of dong zheng city with the registration authority of the east zhong city market supervisory authority, represented by a legal person, li yong-seong, operating in a wholesale and retail manner: thermal treatment equipment, thermal treatment materials, mould steel, construction materials, hardware hardware, zinc alloys, tungsten steel, copper and aluminium; goods import/export, technology import and export。