4363324 EX550-3 EX550LC-3 EX600H-3 EX600LCH-3 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Control Valve used for excavator hitachi

4332842 4363324 EX550LCH EX600H EX600LCH and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Control Valve used for excavator hitachi

4332842 4363324 EX550 EX550H EX550LC and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Control Valve used for excavator hitachi

4363324 4382775 EX600H-5 EX600LCH-5 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Control Valve used for excavator hitachi

4363324 4382775 EX550-5 EX550LC-5 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Control Valve used for excavator hitachi