35 series servo valve    
1) Replaced  by  515 servo valve
2) Small size             
3) High frequency response
4) Stable working        
5) Lower price thoughtful service    
30 series servo valve; 31 series  servo valve; 35 series servo valve; G761/ G760 servo valve; 062-191C servo valve; G730 servo valve; G631 series servo valve; D072 series servo valve; D633/634 Direct driving type series servo proportional valve; G791/792 series servo valve