Electronic control equipment, power dispatching simulation screen, plastic module, complete electrical equipment, junction box, electric control cabinet, computer workbench (dispatching desk), office furniture, engine (except aircraft engine), generator and accessories, textiles, packaging box, R & D, production, sales, installation and related after-sales services of metal products, mechanical products, sports equipment, fitness equipment, sports mountain bikes (production is set up in another branch); Logistics services; Road transportation of general goods, translation services, cosmetics sales, Self-operated and agent for the import and export business of the above-mentioned types of commodities and technologies, except for the commodities and technologies that are restricted by the state to operate or prohibited by the state. (Projects that must be approved in accordance with the law can only be operated after approval by the relevant department)