Manufacturing of special equipment for environmental protection; sales of special equipment for environmental protection; manufacturing of domestic waste treatment equipment; sales of domestic waste treatment equipment; environmental consulting services; industrial design services; general mechanical equipment installation services; general equipment repair; maintenance of electronic and mechanical equipment (excluding special equipment); research and development of motors and their control systems; software development; software sales; technical services, technology development Development, technical consulting, technical exchange, technology transfer, technology promotion; manufacturing of ecological environment materials; sales of ecological environment materials; soil pollution control and restoration services; research and development of bio-organic fertilizers; fertilizer sales; sales of machinery and equipment; rental of machinery and equipment; sales of special equipment; retail of motorcycles and spare parts; retail of automobile spare parts; domestic trade agency; import and export of goods; import and export of technology. Licensed projects: food waste treatment; urban domestic waste operational services; special equipment design; special equipment manufacturing; special equipment inspection and testing; special equipment installation, modification and repair; construction project design; construction project construction; fertilizer production.