1. A high-speed sanding belt in the eccentric mechanism for regular back and forth swing, the box edge welding position for polishing and grinding, edge chamfering R angle size can be controlled.

2. automatic feeding structure, the box will be placed on the processing platform, the box will automatically feed processing according to the track.

3. Higher efficiency than the traditional manual polishing, can finish the box edge welding seam polishing and polishing at one time, the processed box edge consistency is good, all lines are clear, chamfering R angle curvature is consistent.

The equipment is developed and manufactured by Wanchuang independently, and Wanchuang has completely independent intellectual property rights, and the whole machine has been authorized to patent, which prohibits imitation and counterfeit.