Oct 24, 2007 (1992). Superfine and Ultrafine Grinding A Literature Survey. Mineral Processing and Extractive Metallurgy Review Vol. 11, No. 1-2, pp. 107-127. ABOUT US. Shanghai Exceed Industry Co., Ltd is a high-tech grinding mill, crushing and screening machinery, fertilizer machinery manufacture, which involves RampD, production, sales and service as well. In the past 20 years, we devote to producing grinding mill, crushing machinery, organic fertilizer and compound fertilizer machines.