A few weeks ago, Rwanda’s sole cement producer, CIMERWA Ltd announced that it had made about Rwf4.5 billion francs in profit, a 24% margin, after several years of shifting difficult gears to find a profitable momentum. tuendelee kujifukiza tu, bila kusahau ndimu na tangawizi.........by the way nikufahamishe tu kwamba sera za Rwanda hawakubali sorce of energy inayochafua mazingira so hawatumii makaa ya mawe