Shenzhen Ruizhi Security Technology Co., Ltd. is an ISO9001:2015 certified Chinese company that has been in the security industry since 2007, specializing in the production and sale of magnetic switches and sensors used in security systems and automation equipment. The company officially entered the smart home industry in 2016 through a partnership with Tuya to develop smart home security products, and their magnetic sensors have been successfully used in global security systems for doors, windows, and more for over 12 years.