About 1200000 tons per year cement grinding production line Jiangsu Pengfei Group adopts the advanced rolling machine and high fine united cement grinding production process. The project has the following advantages: advanced process, high output, stable quality, high capacity use ratio, high labor productivity, all the economical and technical index and environmental production index evenly reaches Chinese advanced level. Main equipments: one 2.6mX13m high fine ball mill, one3.8mX13m high fine ball mill, 140-80 rolling machine, matched dust collecting equipments for main machines and so on. The project construction satisfies the cement demands in the market.Envorimental protection is not very large, economical