ISHINO CO. is a professional factory that focuses on R&D of proportional solenoid valves. Ishino proportional solenoid valve has become your best choice for hydraulic system design with stable functions, wide range of products and high price-quality ratio. Products are widely applied in automobile diesel common rail system and other mobile devices hydraulic systems such as engineering machineries, agricultural machineries, mining machineries, forestry machineries, port machineries, military machineries, etc.