Zhejiang Huashi Automatic Control Instrument Valve Co., LTD is a high-tech enterprise which has been committed to research and development and manufacture of pneumatic actuators and pneumatic control valves for more than 30 years. The company is headquartered in Zhejiang Wenzhou Binhai Economic Development Zone, with a total construction area of 14,000 square meters of standard production workshop; Jinshan District, Shanghai, with a total area of 32,000 square meters, building area of 19,000 square meters of modern finishing workshop.
Walters developed and manufactured pneumatic actuators and pneumatic control valves in 1989; In 1997, established "Wenzhou HUER MORALE VALVE Manufacturing Co., LTD.", and formally introduced the first generation of improved pneumatic actuators (QGH series) products. In 2004, WALters AUTOMATION Instrument successfully developed the second generation of pneumatic actuator (GT series) products, and in that year was awarded by the government "Longwan District HIGH-TECH Enterprise". In 2007, in line with the original intention of serving customers and planting roots in the market, Walters established "Shanghai Shangtai Instrument Valve Co., LTD." in Jinshan Industrial Park, Shanghai, to develop the latest generation of pneumatic actuators (DRSC, HG series), and successfully put into production in Shanghai factory.