The registered address of shandong zhuang zhuang township road and road to sunway is 200 metres south of tu tong town road, in sutze city, shandong province. The registered body is wang xiao fei, the market supervision authority of the zhuang district, which operates on behalf of wang xiao fei, and includes the development, production, sale, installation, maintenance of cleaner products; the development, production, sale, installation, maintenance of clean and environmentally sound steel products and accessories; the gas-enhancement door; the automated induction doors, steel doors, fast-rolled curtain doors, the auxiliary products of the operating theatre of modern integrated modules; the electroly demanuminated steel plates, paint plates, efficient filters, the development, production, sale, installation, repair and repair of hardware and equipment for the automated integration of electron. (projects subject to legal approval may not operate without the approval of the relevant department)