Yan Kai was born in 1996. He studied electronic information science and technology at Xianyang Normal University and obtained a bachelor's degree in 2018. He studied ultrasonic flowmeters and thermal flowmeters at Xi'an Shiyou University and obtained a master's degree in 2021. He worked as an embedded software development engineer at Hikvision Digital Co., Ltd., mainly doing chip transplantation development. In 2022, he will pursue a doctorate at Xi'an Shiyou University, researching underground wireless charging.