Mechanized agricultural and horticultural machinery, agricultural and gardening metal tools manufacturing and sales; Machinery and equipment (except special equipment), hardware products, electronic products sales; Agriculture, forestry, animal husbandry and fishery technology promotion services; Horticultural products planting; Agricultural machinery activities; General cargo warehousing services (excluding hazardous chemicals and other projects that require permits and approvals); Research and development of machinery and equipment; Import and export of goods or technology (prohibited by the state or involving administrative approval of goods and technology import and export except); General machinery and equipment installation services; Industrial design services. Import and export of goods or technology (except for the import and export of goods and technology prohibited by the state or involving administrative approval); General machinery and equipment installation services; Industrial design services. (Items subject to approval in accordance with the law, can only be carried out after approval by the relevant departments to carry out business activities)