The annual output of 1.2 million tons of cement grinding production line, Jiangsu Pengfei Group adopts the internationally advanced roller crusher+high-precision combined cement grinding production process. The project has advanced technology, high output, stable quality, high capacity utilization rate, and high labor productivity. All economic and technical indicators as well as environmental protection indicators have reached the advanced level in China. Main equipment: 1 diameter 2.6mX13m high fine ball mill, 1 diameter 3.8mX13m high fine ball mill+140-80 roller press, and dust removal equipment for the main engine. The construction of this project meets the rapid demand for cement in the market, does not cause significant environmental pollution, has obvious economic and social benefits, and has broad market prospects.