Sai Zhang
张赛
Sai Zhang is the founder, chairman, and CEO of Yifei Technology (翼菲科技), a Chinese industrial robotics company he established in 2012 in Jinan . A Tsinghua graduate who also studied at Columbia, Zhang spent 13 years building Yifei into a domestic player in parallel robots—a niche he chose deliberately to avoid direct competition with the established "Big Four" (ABB, KUKA, FANUC, Yaskawa) in the more crowded serial-robot segment . FreeS Fund (峰瑞资本) led his Series A in 2016, during what partner Li Feng recalled as a difficult period Zhang managed to climb out of . Zhang took Yifei public on the Hong Kong Stock Exchange in 2026, a milestone he code-named "All Spark" after the Transformers artifact—fitting for an entrepreneur who describes himself as having Transformers "living in his heart" .
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Coverage
Congratulations to "Yifei Technology" on its listing on the Hong Kong Stock Exchange — FreeS Fund's third Hong Kong IPO of 2026.
"All Spark" — the "spark source" from *Transformers*
Zhang Sai's 13-Year Oral History of Robotics Entrepreneurship: The Rise and Fall of the "Big Four," Grinding It Out to the End, and Betting on Embodied AI and Global Expansion
Embodied AI doesn't need to reinvent the wheel for industrial robots.
From One-Tenth to One-Third Market Share: How Did Domestic Industrial Robots Break Through? | FreeS Fund Dialogue
The Past, Present, and Future of Domestic Industrial Robots
The 6 Questions Young People Care About Most: We Asked 17 Founders | FreeS Fund Youth Festival & Graduation Season Special
Passion and conviction are what carry you through the darkness.
How to Navigate Black Swans: We Spoke with Six Founders
Through the Hundreds of Hardships of Entrepreneurship: A Founder Must Be a Problem-Solver
Philanthropy, Calls to Action, Bottom Lines, and Temptation: A Case Study in How a Startup Handles a Public Crisis | FreeS Fund Business School
True Stories of How Chinese Manufacturing Helped Fight the Pandemic
FreeS Fund received eight recognitions from institutions including *Fortune* (Chinese edition), 36Kr, and the Fund of Funds Alliance.
Do what's right, not what's easy.
Our Past 100 Days: Sailing Against the Wind, Growing Toward the Sun
Venture Capital's Pandemic Fight: A Chronicle
Be Long-Term Greedy, Be a True Hero | FreeS Fund 2019 CEO Annual Meeting
Let's Go Further Together
A Founder's 365 Days: The Days That Got Us Through, and 22 Amazing Moments | FreeS Fund Year-End Special
Here's to exploration, struggle, and perseverance. Happy New Year!
The Last "FreeS Fund Family Update" of 2017 | FreeS Fund Bulletin · December
After a year of trudging forward, may you find more fellow travelers here.
