R & D of emerging energy technologies, promotion services for new materials technologies, sales of specialty chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products), sales of building waterproof coil products; Sales of construction materials; Sales of architectural decorative materials; Sales of non-metallic minerals and products; Sales of technical glass products; Mining; Sales of arts and crafts and ceremonial items (except ivory and its products); R & D of biochemical products technology, sales of machinery and equipment; Domestic trade agents; Import and export of goods; Import and export of technology, import and export agency. (Except for projects that are required to be approved by law, they can independently carry out their business activities in accordance with the law by means of a business license. ) Licensed projects: Mineral resource extraction in non-coal mines. (For projects that are subject to approval in accordance with the law, they may only carry out operational activities after the approval of the relevant departments. The specific operational projects are subject to the authorization documents or licenses of the relevant department. )