General items: technical service, technology development, technology consultation, technology exchange, technology transfer, technology promotion;Import and export of goods;Sales of chemical products (excluding licensed chemical products);Food business (selling prepackaged food);Hardware products retail;Building materials sales;Metal material sales;Mechanical equipment sales;Power electronic components sales;Electrical mechanical equipment sales;Electrical equipment sales;Sales of micro-special motors and components;Electronic special equipment sales;Edible agricultural products retail;Daily necessities sales;Auto parts retail;Railway locomotive and vehicle parts sales;Railway transportation equipment sales;Railway transportation infrastructure equipment sales;Railway special measurement or inspection equipment sales;Clothing and apparel retail;Shoes and hats retail;Computer hardware and software and auxiliary equipment retail;Needle textile sales;Retail of arts and crafts and collecti

Mineral dressing agents, adhesives, raw and auxiliary materials, machinery and equipment, instruments and meters, and spare parts needed for the operation of the enterprise's production and scientific research;Technology development, technology service and technology transfer;Import and export of goods and technology.(For projects that are subject to approval according to law, business activities can only be carried out after approval by relevant departments.)

Water treatment chemicals (excluding dangerous goods) production, research and development, testing, deployment, sales; water treatment equipment and accessories installation, debugging, sales; chemical products (excluding dangerous, monitoring and precursor chemicals) sales; water treatment Engineering construction. (Projects that are subject to approval in accordance with the law can only carry out business activities after being approved by relevant departments)

Hazardous chemicals wholesale (no storage) (see

N-hexane, n-pentane, n-heptane, naphtha, xylene, benzene, n-butane, liquefied petroleum gas, isohexane, isobutane, isopentane, cyclopentane, cyclohexane, petroleum ether, N-octane, isooctane, hexane (industrial hexane), stable light hydrocarbons (pentane, hexane, heptane)* (see

Manufacturing, storage, transportation and sales of organic chemical raw materials and chemical products; biotechnology development and technology transfer; production and sales of fuel additives (excluding hazardous chemicals) and environmentally friendly clean fuels (excluding hazardous chemicals).

Research and development, planting, processing and sales of hemp; planting and sales of crops and seedlings; manufacturing, sales and technology research and development of bio-pectin, pharmaceutical intermediates (excluding flammable and explosive substances, dangerous goods, and toxic drugs), health food ；Agricultural sightseeing and tourism; agricultural technology development; processing, sales and import and export of hemp fiber and knitted textiles; sales and import and export of pre-packaged food, bulk food, health food, skin care cosmetics; self-operated and agent various commodities (not Including licensed commodities) and technology import and export business (except for commodities and technologies that the state restricts company operations or prohibits import and export).

Manufacture of choline chloride and sales of raw materials for this product; import and export of goods and technologies; retail of small-package lubricants. (Projects that are subject to approval in accordance with the law can be operated only after being approved by relevant departments.)