The registration address of the company is located at no. 38,888 on the southern roundabout road in the eastern city of qianjin city, shandong province. The registration authority is the market supervision authority of qianyi county, whose legal representatives are involved in the manufacture of doors and windows; the sale of doors and windows; the manufacture of daily metal products; the wholesale distribution of hardware products; the processing and sale of metal products; the installation and sale of elevator packagings; the installation of elevators, elevator wells, steel structure design and construction; and the sale and installation of fire doors, the kentucky gate. (projects subject to legal approval may not operate without the approval of the relevant department)