The registration address of the chininru ring machinery plant is located in room 302, on the third floor, located in the central coal entrepreneurship park, located at 28 west road, in the city of chinin, shandong province. The registration authority is the market supervision authority for the city of chinin. The legal person is represented by a large number of legal persons and operates on general items: construction of mechanical and electrical equipment; sale of construction works; sale of orbital transport engineering machinery and parts; sale of agricultural machinery; sale of specialized equipment for environmental protection; manufacture of specialized equipment for environmental protection; sale of mine machinery; sale of electric bicycles; sale of new energy car repair vehicles; sale of machinery; retail sale of gold products; sale of new energy vehicle electrical accessories; sale of miscellaneous items on a daily basis; sale of plastics; sale of labour protection supplies; sale of construction materials; sale of special labour protection items; sale of special equipment; sale of assistive bicycles, walking vehicles and spare parts; import and export of goods; and import and export of technology. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)