TOSI R&D team cost over 2 years to research these Harden RCD roller cutters. The biggest difference is harder than traditional RCD roller cutters. They improve the products wear resistance and using time greatly extended (Increased about 20% working life).

Before mass production, R&D team have pay more attention on text them. Now these harder RCD Roller Cutters are large use in milling, rock excavation, tunneling, demolition, recycling and road rehabilitation.