Steel Ball is an important basic components and widely used in metal parts, electromechnical bearings, ball bearings, wind mill bearing, slewing bearing, precision molds, metal crafts, decorative hardware, auto parts, motorcycle parts and other fields, especially in bearing industry, steel ball plays a significant role in the national economy. In some special conditions, in order to complete the requirements of different environments to reach the function, it usually require special materials steel balls. In fact, some of the special materials have been widely used in various areas of the ball in the national economy, including 9Cr18, 3Cr13 stainless steel, copper, aluminum, titanium and steel and agate, glass, ceramic ball, etc. Different material balls applications not only promoted the development of the steel ball consumption industry, but also promote the related industry technical development and technological progress. Ball is the most important part of bearings and used most rolling element in bearing industry. Its affects bearing quality directly. With years of steel ball production experience, Luoyang Mingzhen Bearing Steel Balls Co., Ltd. Continuous investing in equipments and techniques as a long-term method to improve the quality of our steel balls. Now, our chrome steel balls for wind power bearing has achieved the top quality in China.