The registration address of jiangsu industries is located in room 203, no. 17, new model marvel road, in nanjing drum building district, with the registration authority being the administrative approval department of nanjing drum building, represented by the legal person haiyan zhang, and includes the sale, installation, maintenance and technical advice of elevator equipment, electrical and mechanical equipment; air conditioning equipment, low-voltage distribution equipment, energy conservation equipment, sale, installation, maintenance and technical advice of construction-smart products; municipal road works; plumbing works; and bridge works. (projects subject to legal approval may not operate without the approval of the relevant department)