The climbing feature would make it the world’s first robot vacuum able to cover multiple floors. Japanese prices for the flagship models of the top three Chinese companies are all higher than that of early player iRobot. Ecovacs Robotics, ranked third by market share in the second half of 2025, followed the traditional playbook at first. But in the late 2000s, Ecovacs created its own cleaning robot brand and shifted focus to technology. The company targets a 10% market share in Japan this year, up from an estimated 2%.