What are the famous brands of pneumatic control valves?

Regarding the brand issue, because the ranking of valve brand manufacturers may change with time and market conditions, it is impossible to give an exact answer. The following are some well-known valve brand manufacturers in the market for reference only: Suzhou Newway Valve, Shanghai Guanlong Valve, Shanghai Zhong Qi Valve, Sanhua, Chaoda, Shentong, Sufa, Nanfang, Jiang Yi and Yaozi.

It should be noted that the above are only estimates and references, and the specific situation may be different due to changes in market conditions, competition pattern, product quality and other factors.