1, coal wholesale business.

2. Production and sales of metal materials, steel charging materials, ferroalloys, building materials (excluding silicone rubber), chemical products (excluding dangerous goods and monitoring products), mineral products, machinery, electronic equipment and computer hardware and software permitted by national laws and regulations.

3, glass, laws and regulations allow the production and sale of chemical raw materials.

4. Development, production, sales and related technology transfer of environmental protection technology products.

5. Engaged in the import and export business of commodities and technologies (except those prohibited and restricted by laws and regulations).

6. Engaged in leasing services and warehousing services permitted by national laws and regulations.

7. Automobile sales (excluding cars).

8 taxi business (limited to branches with business qualifications).

9. Investment in mineral resources.

10, taxi operation (limited to branches with business qualifications).

1 1. Taxi operation (limited to branches with business qualifications).

12, invest in taxi industry, catering and entertainment industry, automobile sales industry, automobile rental industry and road transportation industry.

13. Provide economic information consultation (except finance, securities and futures).