Narwal is a Chinese robotics company that specialises in floor cleaning, best known for pioneering robot vacuums that wash and dry their own mop pads at the base station. Its catalog spans the Freo and Flow series of robot vacuum and mop combos plus cordless wet dry vacuums, all set up and controlled through the Narwal Freo app. The company says its products are sold in more than 30 countries and are backed by over 800 patents, and its robots work with Amazon Alexa and Google Home voice control.
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Qingping Technology is a Beijing company that builds indoor environmental sensors, and one of the better known hardware partners in the Xiaomi ecosystem. Its range covers air quality monitors that measure PM2.5, PM10, CO2, temperature and humidity, plus thermometer-hygrometers, motion and light sensors and a Bluetooth gateway. Devices pair with the Qingping+ app and, depending on model, with Apple HomeKit, Amazon Alexa, Google Home and Mi Home.
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