Import and export of goods; Technology import and export; Import and export agent (subject to the approval of the project according to law, the relevant departments can only carry out business activities, specific business projects subject to the approval results) General items: Communication equipment sales; Sales of electronic special materials; Sales of special equipment for semiconductor devices; Sales of photovoltaic equipment and components; Daily necessities sales; Machinery and equipment sales; Hardware products wholesale; Sales of electronic products; Sales of special equipment for environmental protection; Metal material sales; Sales of daily glass products; Wholesale of computer hardware, software and auxiliary equipment; Sales of solar thermal utilization products; Sales of solar thermal equipment; Solar thermal power equipment sales; Solar thermal power generation products sales; Wholesale of arts and crafts and collectibles (except ivory and its products); Wholesale of sporting goods and equipment; Stationery wholesale; Office supplies sales; Furniture sales; Needle textile sales; Musical instrument wholesale; Sales of building decoration materials; Software development; General mechanical equipment installation services; Special equipment repair; General equipment repair; Solar power generation technical services (except for projects subject to approval according to law, independently carry out business activities according to law with business licenses)