From the large category of application, the steel ball can be divided into two kinds: the wear-resistant steel ball applied to the crushing industry and the bearing steel ball in the precision bearing industry. Wear resistant steel ball (the ball) is used in industrial practice the most widely used products, there is a saying: "there will be a crushing industry" said it very well; in precision bearing steel ball bearing industry and life field has a long history, more widely used, can be said to exist, most places have to rotate commonly known as ball ball, ball.

The ball is ball, steel and shaped grinding body pan. From the shape, it can be divided into the round ball, the capsule sphere, the elliptical ball, the Yin Yang sphere, the hollow sphere, the polyhedron and the multiple ball.

There are four major types of steel ball production, such as forging, rolling, semi-solid forming and casting. Because of the special usage conditions and comprehensive environment and background of the history and mineral processing industry, forging and rolling balls occupy a large proportion in these industries. Semi-solid forming is unconventional casting, die casting can explain the characteristics of non simple and clear, with a cast like, like forging, casting and forging forming excellent performances both the advantages of advanced technology and attracted the attention of people. And then casting steel ball with its simple, flexible and reliable production, easy to realize large-scale production of low investment expansion advantages, especially when the experts and engineers in the steelmaking furnace using a variety of advanced technology and the design of alloy composition, play endless imagination, to create a more innovative, more advanced varieties, to to meet the needs of competition to bring a sense of accomplishment, so more people can understand. The high cost of behoove cast ball and sustainable development potential, to become the main force in grinding industry especially cement crushing no industrial ball in the mode of production.