What grade does Veska gearbox set belong to?

Veska gearbox group belongs to high grade. Wesley gearbox oil series fully embodies the concept of "Wesley surpasses because of quality", and has a national patented high-grade appearance, which belongs to high-grade. The gearbox is a part of the automobile transmission system, which is used to adjust the speed and torque output by the engine to meet the needs of different driving speeds and road conditions. It realizes this function by changing the combination and transmission ratio of gears.