In shenzhen city, the registration address of shenzhen city's mansion protection equipment ltd. Is located on the 1st floor of the xin dal po industrial park in shenzhen city, with the registration authority of the shenzhen city market supervisory authority and with the legal personality representing peng xiaoqing. The activities include general operations such as: vault doors, bank safes, group vaults, refuge rooms, escape doors, micro-banks, safe safe deposit cabinets, security doors against theft, security lock-in lock-up doors, atm chamber, silver hall, bomb-safe doors, blast doors, blast doors, blast windows, blast windows, sound doors, waterproof doors, radiation doors, filing cabinets, safe doors, intensive doors and nuclear special doors, development of electronic products and sale; domestic trade (with the exception of projects for which the state council has decided to require authorization before registration); application of the manual intelligence services; design and construction services for safety technology protection systems; maintenance of electronic and mechanical equipment (without special equipment); and repair of specialized equipment. (in addition to the legally authorized projects, operating independently of the law, in accordance with the operating licence, the licensed projects are: vault doors, bank safes, joint vaults, refuge rooms, escape doors, mini-banks, safe deposit boxes, security doors, security lock-in-the-tails, atm safes, silver halls, bullet-proof doors and windows, blast-resistant doors, blast doors, blast windows, blast walls, soundproof doors, waterproof doors, radiation doors, filing cabinets, confidential doors, intensive shelves and special nuclear electrical doors series, electronic products; safety, fire-fighting metal products。