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Dongguan Aona Manufacturing specializes in the R&D and production of smart water meters, flow meters, valves, and intelligent water management solutions. Equipped with modern automated production lines, a standardized flow laboratory, 8 volumetric calibration systems, 2 semi-automatic gravimetric testing systems, and 2 imported piston-type calibration systems, the facility has an annual production capacity of 1 million meters. Backed by 39 patents and software copyrights, CE-certified products, and internationally recognized management systems including ISO 9001, ISO 14001, ISO 45001, ISO/IEC 27001, and ISO/IEC 20000, Dongguan Aona delivers high-precision, reliable smart metering solutions for municipal water utilities and smart water infrastructure worldwide.