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.