The founder of a fast-rising Chinese tech firm has become known as China’s “crazy boss” after a string of online stunts.Yu Hao, 39, from Jiangsu province in eastern China, is the founder and CEO of Dreame Technology, a smart home appliance maker best known for high-end robot vacuum cleaners.Founded in 2017, Dreame has grown rapidly in China’s crowded smart appliance sector.Public records show the company was once valued at about 45 billion yuan (US$6.6 billion) and it is reportedly aiming for a 150 billion yuan (US$22 billion) valuation by the second half of 2026.Yu Hao has become well known for a range of eccentric online stunts, some of which are shown above. Photo: QQ.comBut as Dreame’s business empire has expanded, Yu’s increasingly flamboyant social media presence has become a spectacle in its own right.In late April, Yu ordered his employees to open accounts across major social media platforms and post about the products, technologies or innovations they worked on.