Verifying a technical company in Guiyang, a city located in southern China’s Guizhou Province, involves a systematic process. Here’s an outline of the steps:

1. **Research Online**: The first step is to use reliable search engines like Google or Bing to find information about the company.

2. **Company Registry Check**: Visit the local government’s business registration website. In Guiyang, it could be the Guizhou Province Business Administration Bureau (http://www.gzgs.gov.cn/).

3. **Check Publications**: Look for the company in industry-related publications such as trade journals, news websites, or annual reports.

4. **Verify Licenses and Certifications**: Confirm that the company holds valid licenses and certifications relevant to their technical services.

5. **Review Online Reviews**: Check independent review platforms or consumer forums to see if other customers have shared their experiences with the company.

By following these steps, you should be able to verify a technical company in Guiyang effectively.