The registered address of tianjin city is 538-22. The registration authority is the market supervision authority of zinnan district of tianjin city, located in building no. 7 of the aquaguement road, zinnam district, tianjin city, and legal representatives are expected to operate in the form of integrated houses, containers, paint and steel houses manufacture, processing, sale, lease, construction and installation; metal works, door and window processing, sale, installation; steel structural works; civil works; decoration works; technology development, consultancy, services; iron manufacturing, processing; rental of construction equipment; and construction services subcontracts. (projects subject to legal approval may not operate without the approval of the relevant department)