Stage of Cement Manufacture. There are six main stages of cement manufacturing process. Stage 1 Raw Material Extraction/Quarry. The raw cement ingredients needed for cement production are limestone (calcium), sand and clay (silicon, aluminum, iron), shale, fly ash, mill scale and bauxite. The ore rocks are quarried and crushed to smaller pieces of about 6 inches.
Apr 12, 2018· Cement manufacturers are thus eyeing new opportunities with CPEC. Pakistan’s Maple Leaf Cement Factory told the Pakistan Stock Exchange that the company had placed an order to Danish firm FL for the establishment of a new cement production line with a daily capacity of 7300 tons.