Goldcard, founded in 1997. The biggest smart gas meter manufacturer in China. The first listed company in smart gas flow meter industry. Stock code: 300349Started with providing IC Card Prepayment Gas meter from 1997, developed and launched the first generation IoT GPRS smart gas meter 2014, released the first NB-IoT smart gas meter in 2016 for pilot run with Huawei, China Telecom and Shenzhen Gas, delivered over 4 million NB-IoT smart gas meters so far. As a group company, together with its subsidiaries, Tancy, EsLink, Enesys to provide total smart gas solutions, from meter, to software and APP services. Goldcard brings great synergistic effect in smart terminal, smart communication, big data, cloud computing, and mobile application to provide high-value and high-performance products and end-to-end solutions including smart devices, communication networks, application management software and Internet cloud services for public utility customers. Goldcard also builds long-term strategic cooperation relationships with various gas enterprises, Huawei, and Alibaba.Currently, Goldcard business covers more than 30 countries, the company is serving over 3000 public utility enterprises and over 55 million urban family users in more than 1500 cities
