Introduction: In 1994, Tangshan Huizhong Instrument Co., Ltd. was established; in 1998, Tangshan Huizhong Witton Instrument Co., Ltd. was established; in 2010, Tangshan Huizhong Instrument Co., Ltd. was established; Tangshan Huizhong Instrument Co., Ltd. is currently China's largest production base for series ultrasonic flow meters, ultrasonic water meters, and ultrasonic heat meters. It is a famous trademark enterprise in Hebei Province. It has the largest standard flow calibration system in terms of scale and detection caliber in the industry. ?Huizhong Company's leading product - a series of ultrasonic flow meters, has maintained the first place in production and sales in the industry for 10 consecutive years; related products have passed CE certification; the company's first dedicated product for water supply measurement - battery-powered ultrasonic water meter has been successfully used in more than 100 domestic water supply companies 10,000 units have been applied; the "Technological Innovation Fund for Small and Medium-sized Enterprises in Science and Technology - Household Ultrasonic Heat Meter Project" undertaken by the company was completed in 2002. As a result, China's first household ultrasonic heat meter was born and was listed by the Ministry of Science and Technology. Entered into the national key new product project in 2007, its series of products have been widely used in household and regional heating pipe networks. ?Huizhong Company has a professional R&D institution with Professor Zhang Lixin, a well-known expert in the field of ultrasonic flow measurement technology and chairman of the company, as the core. The 26 patents and 5 proprietary technologies held by it are all used in the manufacturing and production of products. Participated in the drafting of the Ministry of Construction's "Ultrasonic Flowmeter for Water Supply and Drainage (Propagation Velocity Difference Method)" (CJ/T3063-1997) standard, "Heat Meter" industry standard (CJ128-2000, CJ128-2007), "Ultrasonic Flowmeter Calibration" Regulations" (JJG-1030-2007) and other industry standards or regulations. In 2009, it successfully received financial support from the 863 "Process Control and Flow Sensor" project of the Ministry of Science and Technology. Continuous technological innovation has laid a solid foundation for the company's products to always be in a leading position in technology. With leading technology and excellent quality, Huizhong products have been recognized by many users at home and abroad. Huizhong Company will continue to improve the level of ultrasonic flow measurement technology, meet user needs to the greatest extent with first-class products and first-class services, and make due contributions to promoting the development of human water and energy conservation!

Legal representative: Zhang Lixin

Establishment date: 1998-05-18

Registered capital: 120 million yuan

Industrial and commercial registration No.: 130293000010814

Enterprise type: Other joint stock limited company (listed)

Company address: No. 126, Gaoxin West Road, Tangshan High-tech Industrial Development Zone