All the transmission axles and rollers are made by high-quality steel, and processed through temper and dynamic balance ; plated with rigid chrome and grinded surface.

All the transmission gears was used the 45# alloy steel, which is grinded after heat-treatment, and it was made by rubbing, it still maintains the high topping precision.

The whole machine undergoes the spray lubrication, intuitionist show setting, setting the double oil pipe balance system.

Whole machine working interval adjustment, self-lock worm wheel and worm device, fast and convenient.