... parts; 2. long working life; 3.Steering Valve; 4. Model 7-8 for Komatso; We are the reliable manufacturer of Hydraulic ... , OKADA, GENERAL BREAKER, COMET, ATLAS COPCO, UITRA, MONTABERT, STANLEY, FURUKAWA, TOYO, TELEDYNE, SOCOMECT, NOAHTECH. KOMATSU EXCAVATOR MODEL 7-8 GENUINE CONTROL VALVE