Stone Technology is not owned by Xiaomi. Roborock Technology has no capital relationship with Xiaomi, but Roborock Technology and Xiaomi have a certain business relationship. Roborock Technology is a Xiaomi ecological chain enterprise. Roborock Technology produces Xiaomi products in this field on behalf of Xiaomi and shares profits with Xiaomi. Its main products Including customized brands for Xiaomi "Mijia Intelligent Sweeping Robot" and "Mijia Handheld Wireless Vacuum Cleaner" Roborock Technology is a brand of Beijing Roborock Century Technology Co., Ltd. It is an intelligent hardware manufacturer focusing on technological innovation. Its core technical personnel are technical experts with many years of R&D experience from Microsoft, Huawei, Intel, ARM, and Nokia. Stone Technology was established in July 2014. It has successively received investment from top institutions such as Xiaomi, GIC, Gaorong, and Qiming Venture Partners, and has become a Xiaomi ecological chain enterprise; it was listed on the Shanghai Stock Exchange Science and Technology Innovation Board in February 2020.