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. Eltee international is counted in the list of noteworthy magnesium sulphate manufacturers, wholesale suppliers and exporters, distributors and importers in saudi arabia .we are gladly offering our product to our esteemed clients based in saudi arabia.we are offering our range in brilliant quality in order to meet the diversified requirements of the clients. Home. about us. our products. contact us. factory pictures water treatment chemicals. antiscalant(n-50) broxo salt Manufacturer & exporter of magnesium based pharmaceutical bulk drugs & fine chemicals. we have expertise in magnesium carbonate for more than 20 years. we manufacture various grades of magnesium carbonate, magnesium. hydroxide, magnesium trisilicate, magnesium carbonate hydroxide, magnesium peroxide & magnesium oxide with the latest technology.