To verify a technical company located in Nangong, you would follow these general steps:

1. **Research Online**: Start by searching the company’s official website or registered domain name (if available). This should provide basic information about the company.

2. **Check Official Licenses**: Look for any relevant licenses or certifications issued by recognized authorities. These are often displayed on the company’s website.

3. **Verify Company Registry**: Visit the local government’s business registration or corporation bureau website. Search for the company using its registered name, address, or corporate number.

4. **Check Online Reviews**: While not a formal verification method, read online reviews from clients and industry peers. This can provide valuable insights into the company’s reputation.

By following these steps, you should be able to verify the technical company in Nangong with a degree of confidence.