To verify a technical company in Jieyang, China, you can follow these steps:

1. **Check Official Documents**: The first step is to look for the company’s registration certificate or business license. These documents should be issued by the local government and contain the company’s unique identifier.

2. **Search Online**: Visit official government websites like the Jieyang City Administration Portal. Use the search function to look up the technical company you’re interested in. The information displayed should include the company’s details and any relevant licenses or certifications.

3. **Check Reviews and Reputation**: If possible, check online reviews from customers or industry peers. This can give you an idea of the company’s performance and reliability.

4. **Contact the Company Directly**: If after thorough research, you still need confirmation, contact the company directly through their official website, email, or phone number.

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