... NO: 1309-48-4 2.ISO9001:2000 3.Reputation and Quality first 4.Mg content: 99.95%, 99.98%, 99.99 ... :383900 TONSFactory Audit by INTERTEK. Our product as follow:magnesiun powder: 60 mesh, 80 mesh, 100 mesh... magnesium ingot: 99.99 ... %,99.90%, weight: 100g,200g,300g,5kg,7.5kg,12kg... high quality MAGNESIUM INGOTS