Yunnan Tonglin Technology (云南通麟科技有限公司) is a Kunming firm founded in 2021. It installs fire-protection systems and provides fire-system maintenance, inspection and testing, and fire safety assessments for government buildings, schools, airports, factories, commercial complexes and residential projects. Its team includes Class 1 registered fire engineers and certified fire-facility maintenance and testing technicians. It also offers smart fire IoT monitoring and management solutions and operator training for building owners. It is registered with the Yunnan Fire and Rescue Corps as a fire technical service institution for fire-system maintenance, inspection and testing and fire safety assessment.