The registration address of kuensan, shinshin suzhou city, suzhou city, is room no. 58, no. 5, yushan township, yushan township, and the registration authority is the administrative approval board of kunshan city, represented by a legal person, zhang steel mine, which covers general items: sale of mechanical parts, parts and components; sale of mechanical equipment; sale of moulds; sale of bearings, gears and moving parts; sale of number control beds; sale of machine-bed functional parts and accessories