General Items: Technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; recycling of renewable resources (excluding production scrap metal); recycling of production scrap metal; processing of renewable resources; processing and treatment of non-metallic waste and scraps; processing and treatment of metallic waste and scraps; sales of metal materials; sales of recycled resources; manufacturing of plastic packaging boxes and containers; manufacturing of plastic products; sales of plastic products; synthetic fiber manufacturing; sales of synthetic fibers; sales of packaging materials and products; sales of food-grade plastic packaging containers and tools; sales of textiles and raw materials; sales of special equipment; leasing of special equipment; leasing of non-residential real estate; leasing of transportation equipment; rural domestic waste management services. (Except for projects that require approval by law, business activities are carried out independently according to the business license.) Permitted Projects: Processing of discarded electrical and electronic products; production of food-grade plastic packaging containers and tools; urban domestic waste management services.