R900372794 DB 10-1-4X/200 W65
R900422247 DB 10-1-4X/50U W65
R900418952 DR 20-4-4X/200YM
Germany Bosch rexroth, Eaton helwig, alco, oil research in Japan, Taiwan oil of the hydraulic control components, proportional valve, servo valve, plunger pump, gear pump, vane pump, the electromagnetic direction valve, guide rail, slider, servo valve controller, proportional valve amplifier, electrical control components
