Tianjin Huayou Hanwei Technology Development Co., Ltd. (HYIHW for short) is a technological service-oriented enterprise specializing in petrochemical, ship and ocean engineering, power plant valve and actuator repair and maintenance. The company was established in 2003 with a registered capital of 11.09 million yuan. It is a national high-tech enterprise, a scientific and technological innovation enterprise in Tianjin, and has a first-class qualification for valve and actuator maintenance and transformation.

The company has two factories in Tianjin and Huizhou, with a total production area of 15,000m2 and more than 120 registered employees, including 30 middle and senior engineers, and more than 40 senior technicians covering fitters, electricians, instrument workers and other majors. All employees have received training from the Canadian valve technical service organization "VALVEPRO" (VALVEPRO is the world's authoritative valve maintenance training organization), and the company's engineers have received training from international first-line brands such as FLOWSERVE, ROTORK, DRESSER, EMERSON and other actuator manufacturers.