Using high-quality material 40Cr, the hot-rolled round steel meets the standard requirements of GB/T 3077 "Alloy Structural Steel".

The noise of the silent drive sprocket is 2 to 7 decibels lower than the noise of the roller sprocket; the noise of the silent drive sprocket is 1 to 6 decibels lower than the noise of the rubber sprocket; the noise of the silent drive sprocket is very smooth. More stable than roller chains and toothed belts.

The Indian 1800 road test vehicle has traveled more than 5,000 kilometers, the chain system has no abnormal noise, and the sprocket wear is normal.

Improve the overall reliability;

Improve product life;

Improve the wear degree;