Tradeasia international pte. ltd. 133 cecil street,12-03 keck seng tower, republic of singapore 069535. email : [email protected] tel : +65-62276365 Dolomite, powder is an anhydrous carbonate mineral composed of calcium magnesium carbonate. dolomite is also used saltwater aquariums to help buffer changes in ph of the water and in the ceramic industry as a glaze ingredient. Calcium carbonate. the calcium carbonate project is a planned processing factory project, to be located in the yanbu industrial city, province of madinah, kingdom of saudi arabia. yanbu is in the west of saudi arabia, on the red sea coast, about 400km north of jeddah. Wego is an importer of magnesium carbonate to numerous countries around the world. manufacturers rely on wego for a reliable, efficient, and cost-effective supply of magnesium carbonate. wego works with competitive and reliable manufacturers of magnesium carbonate to provide supply chain solutions for our customers.