General business items are: Computer communication software development and sales; Electronic products, electronic accessories, electronic components of science and technology development, sales; Self-owned housing rental; Enterprise information consulting (excluding restricted items); Information transmission technology services; Software and information technology services; Domestic trade, import and export of goods and technologies; To provide management services for catering enterprises (except for items prohibited by laws, administrative regulations and decisions of The State Council, restricted items shall be operated only after obtaining permission); Home appliances sales; Retail of electronic components; Lighting appliance sales. (Except for the projects that need to be approved according to law, we can independently carry out business activities according to law with the business license), the permitted business items are: Household appliances manufacturing; Production sales of lithium battery, battery charger, power adapter, handle, fill light lamp, flash, plastic products; Engaged in SMT processing, assembly of electronic products; Chinese food production and sales; Electronic components manufacturing; Lighting appliance manufacturing.