ANRAN.Since its establishment in 1996, ANRAN has remained dedicated to the fields of gas metering and safety. As a specialized enterprise, it integrates the design, R&D, production, sales, and service of smart gas meters, ultrasonic gas meters, and urban gas safety solutions. The company has long been committed to innovation in gas flow measurement and safety monitoring technologies, accumulating significant expertise in core areas such as wireless meter reading, ultrasonic flow measurement, and gas safety applications. While strengthening its own R&D capabilities, ANRAN actively participates in the formulation of national, industry, and group standards to lead technological advancement within the sector. Its core product portfolio encompasses IC card series, wireless remote transmission series, IoT series, and ultrasonic series gas meters.