Jiangsu Pengfei Group Co., Ltd. has digested and absorbed advanced technology from German ultrafine ball mills to meet the special needs of ultrafine grinding in the chemical industry. It has developed a large-scale equipment for producing fine powders with an annual output of 20000 to 100000 tons and a fineness of 2-25 μ m, providing a complete set of technical solutions. Widely used in the ultrafine grinding of chemical raw materials such as titanium dioxide, alumina, calcium carbonate, etc., its fineness can reach the nanometer level and can be used for the production of nanomaterials. We have already exported German grading machines to Vietnam, Venezuela and other countries. Taiwan funded enterprise - Jiangsu Kunshan Taijia Glass Co., Ltd. is a large microcrystalline glass manufacturer in Asia, and its ultrafine ball mill is manufactured by Jiangsu Pengfei Group. Domestic users include: Zhejiang Jiande Fine Calcium Industry Co., Ltd., Anhui Tongling Andana Co., Ltd., Anhui Guofeng Calcium Industry Co., Ltd., Guangdong Meiyan Group, Zhenjiang Titanium Dioxide Co., Ltd., Jiangdu Xinjinghui Special Refractory Materials Co., Ltd., Shanxi Jufeng Kaolin Co., Ltd., etc.