Heavy magnesium carbonate. we are a quality conscious organization, engaged in manufacturing and exporting premium quality heavy magnesium carbonate that is used in various industries. this chemical is extensively demanded used as smoke suppressant, drying agent and as filler material. Identification of the substance and of the supplier product name : heavy magnesium carbonate manufacturer company name : kyowa chemical industry co., ltd. address : 4035 hayashida-cho, sakaide, kagawa, 762-0012, japan telephone number : +81-(0) 877-47-0011 emergency telephone number kyowa chemical industry co Safety data sheet revision date 17-jan-2018 revision number 3 1. identification product name magnesium carbonate basic hydrate (certified) cat no. : m29-100; m29-500 synonyms no information available recommended use laboratory chemicals. uses advised against not for food, drug, pesticide or biocidal product use details of the supplier of the safety data sheet 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.