Automobile tailgate is one of the most basic applications of hydraulics, and it is also one of the most popular products of GRH. GRH has hydraulic power unit or gear pump available for tail lift and tail gate. The power unit, integrating with the high-quality control valve keep a smooth movement of the tail lift and tail gate, without stalling. High-efficiency gear pump, low energy consumption for tail gate and tail lift operation, good pressure resistance and high operating efficiency.