4348449 4450219 4348451 EX2500 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Control Valve used for excavator hitachi

4450218 4450220 4388935 4450219 EX2500-6 and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Control Valve used for excavator hitachi

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