General project: Research and development of new materials technology; Research and development of carbon reduction, carbon conversion, carbon capture and carbon storage technologies; Software development Industrial Internet data services Internet sales (excluding the sale of goods that require a license); Wood processing Wood sales Metal structure manufacturing Technical services, technical development, technical consultation, technical exchange, technical transfer, and technical promotion; Technology import and export Import and export agency Import and export of goods (except for projects that require approval in accordance with the law, business activities are carried out independently in accordance with the business license in accordance with the law)