Joint gear technology (shenzhen) ltd. Has its registered address at no. 122, ryongda north road, ryongda street, shenzhen city, and is registered with the shenzhen city market supervisory authority, representing cao bao, and is generally operating on the following items: construction of metal tools; gears and gear reduction, gear transfer boxes; manufacture of axes, gears and moving parts; manufacture of axle bearings; manufacture of general equipment (excluding special equipment); construction of metal cutting machines; manufacture of pumps and vacuum equipment; and construction of hydraulic power machinery and components. (in addition to the projects subject to legal authorization, the activities are carried out autonomously and in accordance with the legal licence) and the licensed projects are: