... CRI-XZ300C COMMON RAIL INJECTOR TEST BENCH is industrial compiter control,frequency control, low noise energy saving . CRI-XZ300C Comon rail ... adoption with DRV valve common rail precise control rail pressure, closed-loop control.3) Original Bosch CP3 common rail pump ... high accuracy import flow sensor,measure oil accurately.5) Frequency control, low-noise, energy-saving, easy to operate CRI-XZ300C ...