Shenzhen marks 40 years since being designated as China's first Special Economic Zone today. Often referred to as China's Silicon Valley, Shenzhen has been and continues to be the foundation for technological innovation. It's home to many global industry leaders. Join CGTN's Zhao Yunfei in a roundtable discussion as he hears from experts and entrepreneurs on Shenzhen's technological development and how it leads the way for China's innovation in the future.