SAPPHIRE METER.SAPPHIRE METER is a high-tech enterprise specializing in the R&D and manufacturing of gas meters and ultrasonic flow meters. The company offers a comprehensive product line covering diaphragm gas meters and ultrasonic gas meters from G1.6 to G40, as well as ultrasonic flow meters ranging from DN32 to DN300. Its core strength lies in leveraging advanced technologies such as NB-IoT, blockchain, and digital factories to achieve transparent management across the entire product and manufacturing lifecycle, ensuring exceptional quality. Driven by technological innovation, the company is committed to providing customers with high-precision, safe, and reliable gas metering products and solutions, aiming to become a trusted partner that delivers maximum customer value.