Production of tablets, hard capsules, oral suspensions, and APIs; production and operation of food; sales of daily necessities and chemical products (except hazardous chemicals); production, sales, and research and development of hair care products, skin care products, and cosmetics; research and development and sales of first-class medical devices, electronic products, home appliances, textiles, and clothing; self-operated and agency import and export business of various commodities and technologies (except for commodities and technologies that are operated by state-restricted companies or prohibited from import and export).