Dangote Cement, the largest cement production company in Africa, with a market capitalization of almost US$14 billion on the Nigeria Stock Exchange, has subsidiaries in Benin, Cameroon, Ghana, Nigeria, South Africa and Zambia.[14] In December 2010, the group signed an agreement with the Government of Zambia to construct a US$400 million cement plant in Zambia. It was completed in 2015 and is located in Ndola, The plant produces 42.5-grade cement to compete against the lower-grade but dominant 32.5 products in the market, the new plant is expected to have an annual output of 1.5 million metric tonnes of cement.[15]