Recycling and sales of scrap materials, scrap steel, scrap non-ferrous metals, used goods, idle equipment, scrap household appliances, and productive scrap metal; sales of: steel, Wujijiaodian, mechanical and electrical products (except passenger cars with nine seats or less), motor vehicle parts, hemp products; pavement leasing; general freight (operated with a license, specific projects are subject to approval by the approval authority); real estate development (operated with a qualification certificate).