Model HB-8 (HB-6) Polishing Machine is the equipment with high precision and high efficiency. Available for the polishing of lens withφ20-φ100mm, form the whole set of the equipment with model HH-4 High-speed precious grinding machine. Swing shaft are moving in ellipse, the pressing pole could be adjusted in any direction, that the precision of the products is improved with high degree. Incessant adjustment of pressure is achieved through the pneumatic control, ensuring the process of lens with different diameters.