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Surface Grinder and Polisher
| Brand | Zhongtong Machinery | Model | 65 | Type | Automatic Round Tube |
| Working Principle | Round Tube Polishing Machine | Power Type | AC Power | Voltage | 220V |
| Rated Input Power | 300（W） | Polishing Wheel Diameter | 41（mm） | No-load Speed | 12（rpm） |
| Rotation Speed | 656（rpm） | Output Power | 300（W） | Speed Regulation Method | Stepless Speed Regulation |
