Hefei Rena Meter Co., Ltd. is a high-tech enterprise integrating R&D, production, sales and service of cold and heat metering products. Adhering to the rigorous and meticulous design concept in Europe, the company has developed a new type of ultrasonic heat meter that can adapt to the domestic use environment through cooperation with famous scientific research institutions such as Chinese Academy of Sciences and Chinese University of Science and Technology, and has a number of invention patents that are the first in the industry.