The “Special Ball of Wind Power” which was developed by Jiangsu Lixing Roller Technical Center Co. Ltd which was subordinated to Jiangsu Lixing General Ball Co., Ltd., was included in the project of free aid of the Ministry of Science SME Technology Innovation Fund. This kind of Fund are mainly used for the necessary subsidies in the Research & Development and pilot phase, which promote the innovation of enterprise to a new stage, which also provide a finicial guarantee for the development of high-end products.