Manufacturing and self-sales: automobiles, tractors, motorcycle lamps and rearview mirrors, automobile light bulbs, automobile air-conditioning systems, packaging boxes; automobile parts, mechanical accessories, mold processing, injection molding, spray painting; lighting appliances and product testing, technical consulting; retail; automobiles (excluding passenger cars with nine seats or less); operating the export business of the company’s self-produced products and technologies; operating raw and auxiliary materials and instruments required for the company’s production and scientific research Import business of instrumentation, mechanical equipment, spare parts and technology (except for goods and technologies that are restricted by the state and prohibited from import and export by the state); engage in processing of imported materials and “three-to-one” business; sales of used motor vehicles; sales of gold jewelry, anti-corrosion insulation materials (excluding chemical dangerous goods), steel-plastic drainage pipes, high-density polyethylene sheathing pipes, and plastic products; except for projects that have not obtained special licenses).