Featuring an innovative keyed structure combined with PU material, this machine achieves a comprehensive and uniform polishing effect, making it particularly suitable for processing delicate workpieces such as gold and silver jewelry. Equipped with a dual-axis drive structure, it enhances the stability and continuity of the machine's operation, ensuring a smooth and powerful polishing process. The belt features a detachable plastic design, allowing for easy replacement after wear, extending the machine's lifespan and reducing maintenance costs. The contact surfaces are made of soft PU material, preventing scratches or damage to valuable workpieces such as gold and silver jewelry during polishing. Specifically designed for jewelry, small metal parts, and precision workpieces, this machine balances polishing efficiency with surface protection, making it a tool for handcrafting and repair.