To verify a technical company in Changshu, China, you would typically follow these steps:

1. **Research Online**: Begin by searching the company’s name along with “technical company in Changshu”. This will likely provide an initial listing or official website for the company.

2. **Check Official Documents**: Visit government websites like the local bureau of industrial and information technology (BIIT). Look up the company’s registration number, which should be listed alongside the verified information.

3. **Review News and Reviews**: Read articles about the company on news platforms such as Reuters or China News. You can also check reviews on industry forums or consumer review websites like Douban or Yicai.

4. **Contact the Company Directly**: If you’re still not completely sure, consider contacting the company directly through their official contact information (usually found on their website). This way, you could speak to a representative who might be able to verify the company’s status.