... Roller Bearings, Tapered Roller Bearings, Automotive Bearings, Thrust Ball Bearings, and also dealing in household appliances ,auto parts, motor parts etc ... : open bearing, Z, ZZ, RS, 2RS,RZ, OPEN4) Vibration and Noise level: Z1, Z2.5) Precition level: ABEC-1..6 ... ability to produce your own brand or other famous brand which you want.7) Packing: According to the customer’s requirements8) Certificates: ...