The registration address of guangdong yuan yuanjian electric science and technology ltd. Is located in room 1 no. 406, located in the city of huemen, dongdong province. The registration authority is the market supervision authority of dong jing city, represented by wang xiong, and operates in the following areas: development of automated control equipment, system programming; development of electrical appliances and their control systems; sale of electrical and electrical products, hardware spares, industrial machinery equipment, lighting equipment; development and development of energy-saving and environmental products; maintenance of electrical, hardware and mechanical equipment; processing of mechanical parts; and installation of mechanical equipment. (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities) i'm not sure