Project includes general and specialized equipment manufacturing, valve research and development, valve sales, wholesale of hardware products, sales of metal materials, manufacturing and R&D of hardware products, wire and electrical cable management, retail of hardware products, sales of refrigeration and air conditioning equipment, fan sales and manufacturing, sales of household appliances, and sales of electrical accessories for new energy vehicles, machinery, electrical machinery, pumps, and vacuum equipment. Projects not prohibited or restricted by laws and regulations may operate independently without a license.