we bearings Here are brief introduction of our company: Yuyao Bote Bearing is a professional bearing manufacturer. As a qulified bearing supplier we provide high quality standard and special bearings with our over 10 years bearings manufacturer experiences. We provide all series of EMQ level bearings, the best grade is Z4V3. Provide the best quality products with the best services have always been our pursuit. Pls contact with Mr.Wang Jianhua We can provide the chrome steel balls for bearings and machines. The balls produced by Donge steel ball company, which is the largest steel balls factory in China. We are the first agent in China. We can provide the lowest price. Thanks and regards,