ZYS product all kinds of standards high precision，lownoise，high life bearing roller in a special production process，The taper roller of the 5-25 mm，the accuracy for the ll ，lll.Product UseZYS brand taper roller satisfy the needs of the market of following1，high speed and low noise of special bearings2，high precision motor bearing3，general industrial and machine tool manufacturing industry Website:://.zys-bearing.com