To verify a trade company in Xuancheng, China, follow these steps:

1. **Check Official Documents**: The first step is to obtain the company’s Registration Certificate or Business License from the local government’s administrative department for enterprise and industry.

2. **Verify Company Information**: You can cross-check the company details on official business registration platforms like the national Enterprise Credit System (NECSC) or the provincial versions.

3. **Check Online Presence**: Visit the company’s website, if provided, to verify authenticity. Look for details like the company logo, contact information, and any relevant industry sectors they operate in.

4. **Consider Seek Professional Assistance**: If you’re still uncertain about the validity of a trade company, it might be wise to consult with an attorney or certified business affairs professional for a more thorough verification.