China's Cleaning Robots: How Five Companies Captured 70% of the Global Market

While the world was watching the humanoid robot race, a quieter shift in power was happening on a far less glamorous market next door. In Q2 2025, the world's five largest home cleaning robot makers by units shipped together captured roughly 70% of the global market — and all five companies are Chinese. As recently as Q1 2025 the category's former leader held under 10% of the market — the collapse happened over a few quarters, not a decade, which alone is a reason to take a closer look at how the industry works today.

A top five with no non-Chinese name on it

石头科技 / Roborock holds the largest single share at 27% of the global market, followed by 科沃斯 / Ecovacs, 追觅科技 / Dreame, Xiaomi and Narwal Robotics. Five years ago this industry was described as a race to the bottom on price — whoever could assemble a motor and a brush the cheapest. Competition has since shifted toward engineering, and that shift, not discounting, is what put Chinese brands in the global lead.

Roborock is developing the Saros Rover, which raises its front wheel on extending "legs" to climb thresholds and low steps — something ordinary robot vacuums simply cannot do. Dreame is racing to ship a model with a 33-centimeter extending arm that moves small obstacles — a chair leg, a slipper, a cable — out of the way instead of driving around them or getting stuck. Ecovacs was among the first to combine wet and dry cleaning in one unit with automatic self-emptying and mop washing and drying at the base station.

Suzhou as an engineering hub

Ecovacs and Dreame (Magic Lab) are both headquartered in the same city — 苏州 / Suzhou, an industrial satellite of Shanghai where a dense cluster of component suppliers for home robotics has formed over the past decade: motors, LiDAR modules, battery cells. For a buyer or integrator, that means a visit to Ecovacs and Dreame can reasonably be combined into a single day — both factories are solving the same engineering problem (autonomous navigation in an unpredictable home environment) but make different technical trade-offs to get there, and seeing that difference in person tells you more than a spec sheet.

Where Xiaomi fits in

Xiaomi isn't as narrowly focused on cleaning robots as the first three players — instead it embeds them into its smart-home ecosystem, where the vacuum syncs with the same brand's air-quality sensors, cameras and voice speakers. In markets where a household is already "subscribed" to one brand's ecosystem, that gives Xiaomi a sales channel narrower specialists don't have, even if the robot itself isn't always the engineering leader. Narrow specialists like Roborock and Dreame are betting on the opposite scenario — outpacing ecosystem players through a faster hardware refresh cycle, rather than waiting for a new feature to become part of a larger platform. For a delegation, that means the same trip can be built either around ecosystem giants or around narrow engineering leaders — the itinerary is assembled around what the client actually wants to see.

The fall of the pioneer: what happened to iRobot

The flip side of China's rise is the collapse of the category's original pioneer. Not long ago iRobot (maker of the Roomba) was synonymous with robot vacuums, but by Q3 2025 its revenue had fallen 25% year-on-year to $146 million, marking the company's 11th consecutive quarterly loss. Import tariffs on Roomba in the US cost the company $23 million, and its share of the global smart vacuum market fell below 10%. By 2026, iRobot had been acquired by China's Picea Robotics — meaning even the company that invented the product category itself ended up under the control of one of the market's new leaders.

Why it's worth seeing in person

Engineering leadership in the cleaning-robot niche is a good proxy for a broader pattern: Chinese engineering teams increasingly win on patentable mechanical solutions that are hard to copy in a single cycle, not on price. For a procurement lead or investor, that means it's worth looking past the price list to the R&D process itself — which is exactly what the robotics expedition is built around: factory access, not a trade-show booth.