Diamondsmith Degreat Universal Petroleum Company Limited Added by admin 0 reviews Listed in Business services, Chemical Dealers Plot 16, Flat C4, Balanga Crescent, Area 11, Garki, Abuja, Nigeria. Add to Favorites Claim Listing Updated: Oct 30, 2014 Overview Reviews Petroleum Products Marketing, Petrol Marketing Add Your Review Please login or register to add your review.