Aalborg Portland is a cement-producing company in Denmark. It was established in Aalborg in the 19th century. Portland cement was patented in 1824 by the Englishman Joseph Aspdin. Six decades later the Aalborg businessman Hans Holm and the engineer Frederick Læssøe Smidth built a cement factory 4 kilometres (2.5 mi) northeast of Aalborg in the town of Rørdal.
The Aalborg Portland-Cement Factory was founded in 1889. Aalborg Portland produces four major products: grey cement, white cement, ready-mixed concrete and aggregates. In 2009 the Sinai White Portland Cement division became the "biggest white cement integrated plant worldwide in terms of capacity". Since 2003, the company is a subsidiary of Cementir Holding S.p.A. The sale was approved by competition authorities in 2004. In 2013 it had a workforce of over 1,500.
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