Watch sales; Information consulting services (excluding licensed information consulting services); Financial consulting; Sales of chemical products (excluding licensed chemical products); Industrial design services; Professional design services; Jewelry wholesale; Sales of used cars; New car sales; New energy vehicle electric accessories sales; New energy vehicle sales; Auto parts wholesale; Building decoration materials sales; Sales of plastic products; Clothing clothing wholesale; Shoes and hats wholesale; Paper product sales; Communication equipment sales; Hardware products wholesale; Home appliance installation service; Sales of household appliances; Cosmetics wholesale; Sales of electronic products; Machinery and equipment leasing; Engaging in investment activities with its own funds; Consulting and planning services; Non-metallic ore and products sales; Non-ferrous metal alloy sales; Sales of gold and silver articles; Sales of metal products; Metal ore sales; Metal material sales; Import and export of goods; Technology import and export