1. Hardware industry: including dealers, businesses and hardware dealers of crude iron materials and metal tool materials, excavation, excavation, mining, etc.

2. Jewelry industry: including jewelry industry, tool sales machinery and sword casting industry.

3. Machinery industry: including automobile manufacturing, automobile maintenance, machinery, wires and cables, notebook computers, aluminum alloy windows, etc.

4. Financial banks: including finance, banks, accounting firms, securities investment, etc.