The registration address of guangdong yuanjian science and technology ltd. Is located in the south china sea district of lionshan, in fushan city; no. 509-511 (dweller's declaration) in the south china lighting lights department of the city; the registration authority is the market supervision authority for the south sea area of fushan city, which operates on behalf of han sanhua and includes general projects: development of mechanical equipment; sale of mechanical equipment; sale of specialized equipment for environmental protection; sale of gas compression machinery; sale of special equipment; sale of lubricating oil; sale of gas, liquid separation and pure equipment; development of technology for residual heat pressure; energy conservation management services; sale of equipment for industrial automated control systems; manufacture of generic equipment (without special equipment); manufacture of specialized equipment without licence); manufacture of industrial automated control systems; sale of electrical auxiliary items; sale of generators and generator units; repair of general equipment; maintenance of electronic, mechanical equipment (without special equipment); technical services, technological development, technical exchange, technology transfer, technology promotion; contract energy management; and domestic trade agency. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)