General Projects: Agricultural professions and auxiliary activities; Fishery professions and auxiliary activities; New material technology research and development; Engineering and technical research and experimental development; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Sales of special instruments for agriculture, forestry, animal husbandry and fishery; Livestock machinery sales; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Livestock and fishery feed sales; Rubber product manufacturing; Rubber product sales; Plastic product manufacturing; Plastic product sales; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Metal product sales; Seal manufacturing; Seal sales; General equipment manufacturing( Excluding special equipment manufacturing); Machinery and equipment sales; General equipment repair; Mechanical parts、 Parts processing; Mechanical parts、 Parts Sales; Metal structure sales; Metal product repair; Hardware product retail; Sales of hydraulic power machinery and components; gas、 Liquid separation and purification equipment sales; Special equipment sales; Information technology consulting services; Import and export of goods; Technology import and export; Import and export agent。( 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.)