R&D, production and sales of electronic products;Mold manufacturing, production and sales of plastic and hardware products;Software development and sales;E-commerce wholesale and retail: communication equipment, environmentally friendly materials, knitted textiles, handicrafts, auto parts and accessories, clothing and footwear, stationery, office supplies, daily necessities, furniture, hardware and electrical appliances, chemical products (flammable and explosive items Except for hazardous chemicals), electronic products, machinery and equipment, packaging materials, toys, pre-packaged food;Domestic trade, import and export of goods and technology.