... light, etc. More than ordinary rubber soles wear-resisting 2-3 times. Light weight, softness, weight is only 50-60 ... production purposes: 1. Semiconductor chip microprocessors etc;, Semiconductor assembly line; 2. 3 disc disc drive, composite materials, 4 LCD display products ... , PCB line; 5. Precision instruments; 6. Optical products; 7. 8 ...