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

1. **Check the Official Database**: The best way is to visit the official websites of the Chinese government, such as the State Administration for Market Regulation (SAMR). They maintain a comprehensive database of registered enterprises.

2. **Search by Company Name or Trade Code**: Input the name of the trade company you wish to verify in the search bar provided on the SAMR website.

3. **Verify Identification Documents**: If the company is listed, click on the record to view details. Look for the required identification documents such as business licenses, registration certificates, and any other legal documentation.

4. **Check Online Reviews or Ratings**: Sometimes, a quick online check from platforms like Baidu (Chinese search engine) or LinkedIn can provide additional insights into the company’s reputation.

Remember that verifying a trade company in Anyang requires due diligence and may take some time depending on the information available online.