Henan Otywell Electronic Technology Co., Ltd. is a professional domestic manufacturer of indoor gas leakage alarm control instruments. It focuses on the research and development of Internet of Things (IoT) laser dust meters, flame detectors, wireless combustible and toxic/harmful gas leakage detectors, valve - well methane detectors, magnetic - type gas alarms, laser methane telemeters, pan - tilt methane monitors, as well as industrial and commercial gas alarms.