To verify a trade company in Xingyang, a process commonly followed in China’s business environment is outlined below:

1. **Company Registration**: First, ensure that the company you are verifying has been legally registered in Xingyang City. You can check this at local administrative agencies.

2. **Online Verification**: Visit the official website of the Chinese Administration for Industry and Information Technology (CAIIT). Use the ‘Business Information Query’ service to input the company’s name, registration number, or other relevant details.

3. **Documents Validation**: If the online verification process indicates that the information provided is accurate, you will be prompted to download and validate the company’s official business license, registration certificate, or other related documents.

Please note that the specific steps might vary depending on the exact system or agency you are interacting with.