4632973 ZAXIS470LCH-3 ZAXIS500LC-3 ZAXIS520LCH-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

4632973 ZAXIS450-3 ZAXIS450LC-3 ZAXIS470H-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