Agricultural scientific research and experimental development; Professional design services; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Mechanical equipment research and development; Internet of Things technology research and development; Purchase of agricultural production materials、 use; Agricultural machinery services; Agricultural professions and auxiliary activities; Crop harvesting services; Agricultural and horticultural services; Crop cultivation services; Crop straw treatment and processing services; Agricultural production management services; Smart agricultural management; Sales of agricultural and sideline products; Wholesale of edible agricultural products; Fertilizer sales; Agricultural film sales; Machinery and equipment sales; Sales of intelligent agricultural machinery and equipment; Domestic trade agent; Sales Agent; Trade Brokerage; Mechanical parts、 Parts Sales; Crop seed business( Only packaged seeds that are no longer repacked); Agricultural machinery sales; Sales of special instruments for agriculture, forestry, animal husbandry and fishery; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Livestock machinery sales; Import and export of goods; Technology import and export; Import and export agent; Animal Husbandry Machinery Manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Cotton processing machinery manufacturing;Agricultural machinery manufacturing( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)