The registration address of shanghai-nu yinmechanical products ltd. Is located at no. 398 new green road, new zhuang town, songjiang district, shanghai city. The registration authority is the market supervision authority of the songjiang district, represented by a legal person, and operates on general items: sale of metal products; sale of metal materials; sale of smart instrument instruments; sale of mechanical equipment; retail sale of hardware and hardware in gold; sale of office equipment; retail sale of computer software and hardware and assistive equipment; sale of metal chains and other metal products, with the exception of legally authorized projects