General Projects: Animal Husbandry Machinery Manufacturing;Agricultural machinery manufacturing; Fishery machinery manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Metal structure manufacturing;Metal material manufacturing; Electroplating; Spraying processing; Vacuum coating processing; Steel rolling processing; Metal surface treatment and heat treatment processing; Machinery and equipment sales; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Metal structure sales; Machinery and equipment rental; Special equipment repair; General equipment repair; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; General mechanical equipment installation services; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Transport cargo packaging service; Import and export of goods; Photovoltaic power generation equipment leasing; Power generation technology services; Solar power generation technology services; Electrical equipment repair; Sales of photovoltaic equipment and components; Research and development of high-efficiency energy-saving technologies in the power industry; Sales of intelligent power transmission, distribution and control equipment。( 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: Installation, modification and repair of special equipment; Professional construction work; Construction labor subcontracting; Construction project construction; Power generation business、 Power transmission business、 for( match) Electricity business; Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing。( 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.)