There are 2,362 raw magnesium suppliers, mainly located in asia. the top supplying countries or regions are china, india, and denmark, which supply 96%, 1%, and 1% of raw magnesium respectively. raw magnesium products are most popular in south america, southeast asiau2026 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. Precipitated calcium carbonate (coated) pcc are coated with a low percentage (1-3 percent) of a fatty acid, such as stearic acid, for use in ... Magnesium raw materials (magnesite) is a common mineral of barium, with the composition of magnesium carbonate. the most common form of magnesite is white, microcrystalline, porous masses that are dull in luster, and have the appearance of unglazed porcelain.