Group Chief Executive Officer of Dangote Cement, Joe Makoju has revealed that the company has invested a whopping $3 billion to build manufacturing plants and import/grinding terminals across Africa. The company’s operations, according to Makoju are in Cameroon (1.5Mta clinker grinding), Congo (1.5Mta), Ghana (1.5Mta import), Ethiopia (2.5Mta), Senegal (1.5Mta), Sierra Leone (0.7Mta import), South…