Animal husbandry and auxiliary activities, manufacturing of animal husbandry machinery, sales of animal husbandry and fishery feed, sales of animal husbandry machinery, intelligent agricultural management, manufacturing of agricultural, forestry, animal husbandry and sideline fishery specialized machinery, sales of feed additives, manufacturing of agricultural, forestry, animal husbandry and fishery machinery accessories, livestock sales, mechanical equipment sales, sales of agricultural, forestry, animal husbandry and fishery machinery accessories, agricultural scientific research and experimental development, research and development of mechanical equipment, sales of metal tools, installation and maintenance of agricultural, forestry, animal husbandry and sideline fishery specialized machinery, agriculture, forestry Sales of specialized machinery for animal husbandry, sidelines, and fisheries, internet sales (excluding products that require licensing), agricultural machinery sales, electronic and mechanical equipment maintenance (excluding special equipment), intelligent agricultural machinery equipment sales, intelligent power transmission and distribution and control equipment sales, generators and generator sets sales, intelligent instrument sales, and feed production specialized equipment sales