To verify a trade company in Jiuquan, a city in northwest China’s Gansu Province, follow these steps:

1. **Document Collection**: Gather relevant documents from the company. This may include the company registration certificate, business license, and any recent financial reports.

2. **Online Verification**: Visit local government websites or commercial databases that provide company verification services. Input the company details into the system to check for authenticity.

3. **Contact the Jiuquan Municipal Bureau of Industry and Information**: If the online verification does not provide clear confirmation, contact the municipal bureau responsible for industrial and information management. They should be able to verify the trade company’s records officially.

Remember that the process may vary depending on the specific regulations in Jiuquan.