Manufacturing of plastic products; manufacturing of rubber products; manufacturing of plastic packaging boxes and containers; Internet sales (except for sales of goods requiring licenses); sales of daily sundries; retail of daily household appliances; sales of household appliances; wholesale of hardware products; manufacturing of hardware products; manufacturing of daily sundries; manufacturing of medical packaging materials; plastic manufacturing Sales of products; sales of rubber products; sales of high-quality synthetic rubber; wholesale of kitchenware, sanitary ware and daily miscellaneous goods; manufacturing of metal daily necessities; manufacturing of other electronic devices; sales of electronic products; manufacturing of optoelectronic devices; wholesale of cosmetics; sales of leather products; manufacturing of leather products; manufacturing of home textile products; knitting Sales of fabrics and raw materials; sales of sanitary products and disposable medical supplies; sales of disinfectants (excluding hazardous chemicals); sales of maternal and infant products; manufacturing of maternal and infant products; sales of food detergents; sales of toys, animation and entertainment products; toy manufacturing; clothing manufacturing; wholesale of clothing and apparel; wholesale of stationery supplies Production; stationery manufacturing; clothing manufacturing; leasing services (excluding licensed leasing services); non-residential real estate leasing; housing leasing; land use rights leasing; import and export of goods; production of sanitary products and disposable medical supplies; production of food detergents; production of plastic packaging containers and tools for food;