Xiaomi Corporation (“Xiaomi”) was founded in April 2010 and listed on the First Market of the Hong Kong Stock Exchange since July 9, 2018 (1810.HK). Xiaomi is a manufacturer of consumer electronics and smart devices, with smartphones and connected hardware linked by an IoT platform.

Aqara door sensor by xiaomi zigbee 3.0

Xiaomi released quality door sensors some time ago.