Ultrafme powder plays important roles in modern industry based on its peculiar advantage and characteristic properties. Ultrafine grinding is a new pulverizing technology in order to adapt to the developing demands of modern technology. High and new technology development proposes very pressingly to output, quality and industrialization of ultrafme powder. With rapid development of modem industry and medcine science and the saturation of subjects, applications of the pulverizing technology in Chinese tradit...