Self-operated and agency-operated basic chemical raw materials、 Mechanical and electronic equipment、 food( Businesses may operate only after obtaining approval from the relevant authorities.)、 agricultural products( No seeds、 Processing by-products)、 Non-ferrous metals and minerals( No coal) Import and export( Excluding export state-owned trading operations、 Designated operation、 Inbound and outbound express mail operations and national restrictions、 Prohibited import and export goods) and the domestic operation of the aforementioned goods; commissioned processing( Excluding cashmere purchasing, production, processing, export, and automobiles.、 Motorcycle manufacturing, assembly, processing, and trade, as well as processing projects that require approval to operate.) and technology( Excluding the production, import and export of production equipment and technology of monitored chemicals and national restrictions.、 Technologies that are prohibited or require approval for import and export) Import and export business; Management“ Three in one supplement” business( Excluding businesses that require approval to operate)