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The study was conducted at a portland cement factory in dar es salaam, tanzania, between june and august 2002.The factory started production in 1965.It currently employs 300 workers and produces 500 000 tons of cement annually.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.