In Zhangjiakou, the top 20 technological companies stand out as key players in driving innovation and economic growth.

1. Advanced Tech Solutions: This company specializes in developing cutting-edge technologies for various industries.

2. Zhangjiakou Cybernetics Co.: A cybersecurity company that ensures digital security systems and solutions are in place.

3. EnergyTech Innovations: Focused on renewable energy technology, this company drives sustainable development in the region.

4. Zhangjiakou Digital Media Co.: A media company that leverages digital platforms to deliver news, entertainment, and educational content.

5. Biomedical Technology Solutions: A provider of innovative biomedical technologies for healthcare facilities and patients.

These top 20 technological companies not only contribute significantly to Zhangjiakou’s technological landscape but also play a crucial role in driving the city’s economic growth.