General Projects: Water conservancy related consulting services; New material technology research and development; Fertilizer sales; Landscaping project construction;Earthwork construction; Engineering Management Services; Plastic product sales; gas、 Liquid separation and purification equipment manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Agricultural machinery sales; Metal product repair; Metal product sales; Metal product research and development; Pump and vacuum equipment sales; Plastic product manufacturing; Electrical equipment sales; Mechanical and electrical equipment manufacturing; Electrical equipment repair; Sales of greenhouse gas emission control equipment; Sales of distribution switch control equipment; Distribution switch control equipment manufacturing; Greenhouse gas emission control equipment manufacturing; Sales of special equipment for environmental protection; Manufacturing of special equipment for environmental protection; Wastewater treatment and recycling; Ecological and environmental material manufacturing; Bio-organic fertilizer research and development; Fertilizer sales; Building materials sales; Special machinery manufacturing for building materials production; Generator and generator set manufacturing; Sales of generators and generator sets; Power generation technology services; Agricultural machinery services; Machinery and equipment sales; Agricultural machinery rental; Machinery and equipment rental; Mechanical equipment research and development;Agricultural machinery manufacturing; Agricultural and horticultural services; Housing rental; Greenhouse gas emission control technology research and development; Internet of Things Technology Services; Import and export of goods; Technology import and export; Import and export agent; Feed raw material sales; Livestock and fishery feed sales; Feed additive sales; Biofeed R&D; Smart agricultural management; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Irrigation Services。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license) Licensed Projects: Construction project construction。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)