Mechanical equipment research and development; Mechanical equipment sales; Mechanical equipment leasing; Environmental protection special equipment manufacturing; Environmental protection special equipment sales; Automobile sales; Leasing services (excluding licensed leasing services); Auto parts research and development; Auto parts and accessories manufacturing; Auto parts wholesale; Auto parts retail; New material technology research and development; Ecological environment material manufacturing; Ecological environment material sales; Special machinery and equipment for water resources manufacturing; Domestic waste treatment equipment manufacturing; Electronic product sales; Metal forming machine tool manufacturing; Metal forming machine tool sales; Metal cutting machine tool manufacturing; Metal cutting machine tool sales; CNC machine tool manufacturing; CNC machine tool sales; Machine tool functional parts and accessories manufacturing; Machine tool functional parts and accessories sales; Technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; Sewage treatment and its reuse; Water environment pollution prevention services; Construction waste regeneration technology research and development; Solid waste treatment; Atmospheric environmental pollution prevention services; Ecological restoration and ecological protection services; Bio-organic fertilizer research and development; Fertilizer sales; Rural domestic waste operational services; Professional cleaning, disinfection and sterilization services; Building cleaning services; Soil pollution treatment and restoration services; Soil and site restoration equipment sales; Landscape engineering construction; Urban greening management; Termite prevention and control services; Crop pest control services; Environmental protection consulting services; Non-residential real estate leasing; Engaging in investment activities with自有 funds; Resource recycling technology research and development; Engineering and technology research and experimental development; Metal processing machinery manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Domestic waste treatment equipment sales; Fertilizer sales; Goods import and export; Technology import and export. Licensed projects: Special equipment manufacturing; Special equipment design; Fertilizer production; Urban domestic waste operational services; River dredging construction professional operations; Construction engineering construction; Residential interior decoration; Road motor vehicle production.