The company is prohibited from engaging in any business activities that are forbidden by laws, regulations, or decisions of the State Council; for activities requiring approval (or examination) as stipulated by laws, regulations, or decisions of the State Council, the company shall operate only after obtaining the relevant approval (or examination) documents from the approving authority; for activities that do not require approval (or examination) as stipulated by laws, regulations, or decisions of the State Council, market entities shall independently choose their business operations. (General items: Manufacture of high-performance fibers and composite materials; sales of high-performance fibers and composite materials; manufacture of graphite and carbon products; sales of graphite and carbon products; sales of civil aviation materials; manufacture of high-speed rail equipment and accessories; sales of high-speed rail equipment and accessories; manufacture of railway locomotive and rolling stock parts; sales of railway locomotive and rolling stock parts; remanufacturing of automotive parts; research and development of automotive parts; wholesale of automotive parts; manufacture of general equipment (excluding special equipment); manufacture of specialized equipment (excluding licensed specialized equipment); sales of machinery and equipment; sales of mechanical parts and components; import and export of goods; promotion of new material technology services; technical services, development, consulting, exchange, transfer, and promotion. Licensed items: Design and production of civil aircraft parts.)