High load applied to the piston pump vane pump and the hydraulic system, as well as middle - and high-load of construction machinery, equipment and vehicles imported hydraulic system lubrication.

• 适用于高负荷的叶片泵和柱塞泵的液压系统，以及中、高负荷的工程机械，引进设备和车辆的液压系统润滑。