To verify a trade company in Hancheng, a process similar to that followed in many cities can be outlined as follows:

1. **Official Registration**: The first step is to check if the company is registered with the local government’s Trade Registry. This could involve visiting their website or contacting relevant departments.

2. **Business License**: Verify if the company has obtained a valid business license issued by the city administration. This license usually includes information about the company and its allowed operations.

3. **Company Database Check**: Many cities maintain databases of registered businesses. You can try searching for the company’s details in these databases.

4. **Online Reputation**: Use search engines like Google to look for any news articles, customer reviews, or legal notices related to the company.

By following these steps, you should be able to verify a trade company in Hancheng with sufficient confidence.