1. This is a professional mobile phone screen scratch repair and polishing machine that uses a subtractive method to remove surface scratches. It can not only repair scratches on the glass surface, making the glass surface smoother, but also ensure the smoothness after the glass surface has been polished.2. It has a built-in liquid circulation system and supports polishing for various models of mobile phone screens. This product can improve the efficiency of mobile phone refurbishment and effectively reduce the cost of refurbishment. 3. It is mainly suitable for refurbishment factories and second hand mobile phone recycling companies to carry out batch refurbishment of mobile phone LCD screens.4. Water mill type water injection polishing.5. Built-in air pump.6. Built-in liquid circulation system.7. Equipped with rotating ring counterweight device.8. Fast polishing, supporting polishing for multiple mobile phones.9. High hardness, wear-resistant, sturdy and durable.10. Power: 250W.11. Speed regulation: variable frequencyspeed regulation.12.Size: 40 x 40 x 34cm.13. Can polish two mobile phones at the same time ,the product is small and easy to move.