| Import and
export trade |
| Agency |
| Processing
with supplied material |
| Processing
with material supplied by clients |
| Processing
with supplied sample |
| Compensation
trade |
| Switch
trade |
| Barter trade |
| Technique
trade |
| Domestic trade |
| Joint venture
management |
| Cooperative
management |
| Cooperative
management |
| Scientific
research & development |
| Warehousing
& transportation |
| Information
service |
| Advertisement
& exhibition |
