From the end of 2019 to 2020, our company successfully promoted ultrasonic water meters in the Mexican market, thanks to our advanced technology and reliable quality. Among them, the models 213C and 213E performed particularly well, with sales of 10,000 units and 3,000 units respectively. These water meters are mainly applied to the local residential water consumption field, providing accurate and stable measurement services for residents' daily water use. It is worth mentioning that both of these two models of water meters adopt the Sigfox communication method. With its advantages of low power consumption and wide coverage, it ensures the efficiency and stability of data transmission, winning wide recognition and praise from local customers.