Hebei Daocheng Electronic Technology Co., Ltd., with a registered capital of 56 million yuan, is located in Hengshui City, Hebei Province. The company has a building area of nearly 50000 square meters and is a professional modern new enterprise specializing in water, electricity, gas, heat, and civil energy services. It integrates metering terminal manufacturing, control system integration, and data service management. Our main products include NB IoT IoT water meter series (DN15-DN200), IC card cold water meter series (DN15-DN200), electronic remote water meter series (DN15-DN200), ultrasonic water meter, ultrasonic heat meter, water resource measurement and control device, large user meter reading system, zone metering monitoring system, water supply network monitoring platform, intelligent meter reading and inspection management system, intelligent water management platform research and development, intelligent energy integration research and development, instrument IoT center research and development, and other products and services.