Raindao Science and Technology Co., Limited, founded in 2011, is a Beijing-based manufacturer specializing in IoT solutions for the water industry. The company is dedicated to the R&D, production, and sales of water conservancy equipment and water industry solutions. With a focus on making water more intelligent, Raindao Science and Technology operates a factory and offers OEM and ODM services. Their product portfolio includes a wide range of IoT devices and sensors such as Water Meters, Water Sensors, Water Quality Sensors, Water Level Sensors, Water Flow Sensors, Agricultural Sensors, Weather Station Sensors, NB-IoT Sensors, Lora Sensors, and Radar Water Level Meters. The company maintains a Product R&D Center and a System Solution Center for water IoT, employing 5-10 R&D staff and operating over 10 production lines. Their annual output value ranges from US$5 Million to US$10 Million.