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. Being counted amongst the leading manufacturers and suppliers of this highly commendable range of magnesium carbonate ip bp usp, we never compromise with its quality.thus we engage in using of the finest ingredients and modern machines. Saudi carbonate company ltd, wishes to thank you for the query you have sent. we acknowledge its receipt and our team will contact you asap. kindly ensure that all your contact details are available and correct (name, company, location, tel, and email). Magnesium carbonate, light powder, usp ma108 23389-33-5 magnesium carbonate, light powder, usp is used in anti-acid preparations. all spectrum chemical usp products are manufactured, packaged and stored under current good manufacturing practices (cgmp) per 21cfr part 211 in fda registered and.