To verify a technical company located in Yizheng, follow these steps in English:

1. **Company Information Check**: Begin by searching for the company’s official website or listing on authorized business directories. This will provide the legal name and registered address of the company.

2. **Registration Verification**: Verify if the company is legally registered with the relevant authorities. In Yizheng, this would typically involve checking with the local Bureau of Industry and Information (BI&I).

3. **Industry Compliance Assessment**: Assess whether the company operates within its specified industry and complies with any applicable technical standards.

4. **Online Reviews and Recommendations**: Check online reviews and recommendations from customers or reputable industry platforms. This can give a sense of the company’s performance and reliability.

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