Huizhong Instrumentation Co., Ltd., formerly Tangshan Huizhong Instrumentation Co., Ltd, is a China-based company principally engaged in the research, development, production and sales of intelligent ultrasonic flow measurement products, as well as the provision of related services. The Company's main products include ultrasonic calorimeters, ultrasonic water meters and ultrasonic flowmeters. The Company's products are used in heating metering, water metering, chemical, metallurgical and petroleum fields. The Company distributes its products in the domestic market.