To verify a technical company in Zhanjiang, 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 are issued by local administrative authorities and should be publicly available.

2. **Verify Online Records**: You can also search the company’s information online through platforms like the Business Registration Information System (BIIS) in Zhanjiang, or similar databases.

3. **Check Professional Certification**: If the company is involved in specialized technical services, verify that they have obtained relevant professional certifications.

4. **Request References**: Reach out to the company’s existing clients or suppliers for testimonials and references.

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