Recently, several international fluid power enterprises have released new generation control valve products, focusing on optimizing the flow stability of low-flow three-position four-way directional control valves and the positioning accuracy of hydraulic limit valves. At the same time, compact pneumatic valve switches have been introduced to accommodate installation in narrow spaces. The new products have improved in terms of explosion-proof, long lifespan, and quick response, and are widely used in injection molding, metallurgy, chemical industry, and automation equipment fields, promoting the global industrial equipment to accelerate the transformation towards high-efficiency energy saving and intelligent control. 
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