Crop straw treatment and processing services; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Special equipment manufacturing( Excluding licensed professional equipment manufacturing); Metal tool manufacturing; Metal tool sales; Agricultural professions and auxiliary activities; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Fertilizer sales; Primary processing of edible agricultural products; Primary processing of non-edible agricultural products; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Machinery and equipment sales; Mechanical equipment research and development; Sales of special instruments for agriculture, forestry, animal husbandry and fishery; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Fresh fruit wholesale; Fresh fruit retail; Vegetable planting( In addition to China's rare and unique precious and fine varieties); Aquatic Products Wholesale; Agricultural machinery rental; Agricultural machinery services;Agricultural machinery manufacturing; Agricultural machinery sales; Tourism development project planning consultation; Leisure and sightseeing activities; Manufacturing of special equipment for agricultural and sideline food processing; Sales of special equipment for agricultural and sideline food processing; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)^ Crop seed business; Breeding livestock and poultry management; Aquatic seed production。( 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.)