... 50kgs or 25KG PP BAG type:white portland cement in GB2015-91 standardgrade :32.5 and 42 ... There are three cleaning cycle production lines of cement crusher and the corporation provides more than 200 ... annual production capacity of 2,000,000 tons cement, and the annual industrial output value can be ... constantly research and develop variety of high-quality cement. Main leading products: P.O52.5 P.O52 ...