General projects: New material technology research and development; Sales of chemical products (excluding licensed chemical products); Sales of coal and products; Wholesale of edible agricultural products; Retail of edible agricultural products; Sales of building decoration materials; Machinery and equipment sales; Sales of petroleum products (without hazardous chemicals); Metal ore sales; Sales of non-metallic minerals and products; Non-ferrous metal alloy sales; Sales of agricultural and sideline products; Building materials sales; Metal material sales; Import and export of goods. (Except for projects subject to approval according to law, the company shall independently carry out business activities according to law with its business license