Huizhong Instrument Co., Ltd. is located in Tangshan City, Hebei Province. It is a listed company in the field of ultrasonic flow measurement in China (stock code: 300371, stock abbreviation: Huizhong Co., Ltd.). The company was established in 1998, with a total factory area of 93000 square meters and a provincial-level engineering laboratory. It is a provincial-level high-tech enterprise and software enterprise. At the same time, Huizhong Instrument Co., Ltd.'s testing and calibration laboratory has been accredited by the China National Accreditation Service for Conformity Assessment (CNAS). With more than 20 years of deep industry cultivation, Huizhong has become a large-scale R&D and production manufacturer of ultrasonic flow measurement products (caliber covering DN15-DN15000) and supporting systems worldwide. Its main products include ultrasonic water meters, ultrasonic heat meters, ultrasonic flow meters and supporting systems, covering multiple production and life fields from industry to civilian use, from flow to heat, from China to the world. Huizhong has independent intellectual property rights and nearly a hundred patented technologies for all products, covering various application links from terminal data collection to system development and integration. Participated in the formulation of industry and national standards such as "Ultrasonic Flow Meter for Water Supply and Drainage (Propagation Velocity Difference Method)", "Heat Meter", "Ultrasonic Flow Meter Calibration Regulations", etc. In 2008, Huizhong was invited to participate in the "Process Control Flow Sensor and System" project of the Ministry of Science and Technology of China's 863 Program and successfully passed the acceptance inspection. While contributing to China's independent research and industrialization capabilities of high-performance sensors, it also marked Huizhong's technology reaching the international advanced level. As a technology driven innovation enterprise, Huizhong has chosen a development strategy led by technology since its establishment. Not only has it always mastered the core technology in the field of ultrasonic flow measurement, but it has also built a comprehensive and powerful intelligent manufacturing platform for Huizhong's ultrasonic flow measurement products. Relying on big data, Huizhong has achieved intelligent orders, flexible customization of products, full lifecycle management of products, intelligent warehousing, cloud services, etc., which can meet customer needs from all aspects and perspectives. Based on the local market, with an international perspective. Huizhong will actively leverage its own advantages to build a professional, efficient, and intelligent global enterprise.