It is made of special high quality ceramic, it is originated with non-mental material for ring in domestic steel ring industry.
Its hardness can reach HV2000, has high-wear resistance (long-life) performance, strong spinning fitness, its life can be same as that of spinning frame.
Less friction can heighten spindle speed, increase shift output.can decrease yarn breakage, lower yarn feather, also can make yarn evenness better.
It is the best choice and new product for top-grade yarn spinning and compact spinning.