Ningbo WTOO Industrial Co., Ltd. is dedicated ourselves to high-precision mini-sized deep groove ball Bearings and automotive Bearings. Our products are widely used in the high speed electric motors in automobiles, vacuum cleaners, air conditioners and massagers etc. The registered brand "WTOO" has become the well-known brand of China. Especially the 608 bearing for motor of vacuum cleaner, its rotate speed exceeds 50,000RPM.More than 1/3 vacuum cleaners in the world are running WTOO...