 <unk> Mata Sarawak Berhad ( <unk> ) , one of the largest publicly traded companies in Sarawak , set up a cement plant in Bintulu at <unk> Industrial Estate . The plant , manned by 40 people , produces ordinary Portland cement and Portland blast furnace cement . It currently has a combined production capacity of 2 @.@ 75 million MT ( million tonnes ) . 
