Goldcard Smart Group Co., Ltd. operates as utility digitalization solution provider for smart gas, smart water, and hydrogen metering in China. The company offers smart gas end to end, smart gas, industrial and commercial, and IC card prepayment gas solutions; natural gas alarm, domestic ultrasonic, diaphragm, IC card prepayment, smart thermal, and infinity modular smart gas meter; IoT Smart, IoT Data, and flow compensation controller; data acquisition unit, FCM and TFC volume corrector, gas rotary and turbine flowmeter, ultrasonic gas flowmeter, volume conversion device, quantometer, and gas chromatography analyzer. It also provides smart water total solution, smart mechanical and household ultrasonic water meter, plug-in ultrasonic water meter and flowmeter, and electromagnetic water meter and flowmeter; and IOT collection platform which provides two-way communication between meters and systems to achieve remote monitoring effect. In addition, the company offers data collection, customer service management, and engineering management system, as well as mobile app software; and high pressure gas flow standard testrig, sonic nozzle gas flow standard device, and master meter method gas flow standard device. The company was formerly known as Goldcard High-Tech Co., Ltd. and changed its name to Goldcard Smart Group Co., Ltd. in March 2017. Goldcard Smart Group Co., Ltd. was founded in 1997 and is based in Hangzhou, China.