General projects: mechanical equipment R&D; Machinery and equipment sales; Sales of special textile equipment; Sewing machinery sales; Sales of Category I medical devices; The second category of medical device sales; Industrial automatic control system device sales; Intelligent vehicle equipment sales; Sales of mechanical parts and spare parts; Hardware products retail; Sales of special labor protection products; Electrical equipment sales; General merchandise sales; Daily necessities sales; Internet sales (except sales of goods that require a license); Needle textile sales; Sales of needle textiles and raw materials; Apparel retail; Clothing accessories sales; Office supplies sales; Sales of plastic products; Rubber products sales; Metal material sales; Wholesale of computer hardware, software and auxiliary equipment; Retail of computer hardware, software and auxiliary equipment; Sales of electronic products; Non-residential real estate leasing (except for projects that are subject to approval according to law, independently carry out business activities according to law with a business license)