Dongcheng brand is good.

Dongcheng gemstone drum polishing machine is a polishing machine manufacturer in my country. It has the advantages of low noise and easy operation. The barrel body can be rotated arbitrarily and has an appropriate slope, making unloading easy and convenient.

Drum polishing, when coarse polishing, a large number of steel balls, lime and abrasives are placed in an inclined tank-shaped drum. When the drum rotates, the steel balls and abrasives are randomly rolled and collided in the drum to achieve removal. The purpose of reducing surface roughness is to reduce surface roughness.