Jewelry Magnetic tumbler series polishing machine 1.Big power motor and alternate magnetic field to machine make it more powerful. 2.With digital circuit, reversible time can be set any time. 3.Electrical parts are made by imported material to extend the file of machine. 4. Elborate design and cinvenient operation 5. When polishing chamber is taken out of machine, tumber will stop automatically to save power. Magnetic Gold Polishing Machine 1. Big power motor and alternate magnetic field of the machine makes it more powerful.2. With digital circuit, reversible time can be set at any time.3. Electrical parts are made of imported materials to enlarge the machine profile. 4. Elborate design and cinvenient operation 5. When the polishing chamber is taken out of the machine, the tumber will stop automatically to save energy.