Haloiot (Beijing) Limited is a technology innovation enterprise engaged in meteorological and environmental IoT hardware products. The core R&D personnel have over 10 years of experience in the field of environmental monitoring. Our main products include weather stations, air quality monitoring stations, compact water quality sensors, etc. The products have been widely used in meteorology, environmental protection, emergency, power, transportation, scientific research and other fields, and exported to more than 20 countries.