ATO Flow Meter is a leading professional manufacturer and supplier of industrial flow measurement instruments based in China. With more than ten years of extensive experience in research, development, and manufacturing, ATO has established itself as a trusted name in the global flow meter industry. Our dedicated team of technical experts, who were among the earliest pioneers in flow meter R&D in China, drives continuous innovation and ensures every product delivers superior performance and reliability.

We specialize in a comprehensive range of high-quality flow meters designed for accurate measurement of liquids, gases, and steam. Our full product lineup includes Magnetic Flow Meters, Vortex Flow Meters, Liquid Turbine Flow Meters, Portable Clamp-on Ultrasonic Flow Meters, Thermal Mass Flow Meters, Gas Mass Flow Meters, Insertion Electromagnetic Flow Meters, Oval Gear Flow Meters, Digital Gas Flow Meters, and various essential accessories. All items are brand new, produced in our advanced factories to strict international standards, and shipped directly to customers with a full warranty and at factory-direct competitive prices.