high purity mg ingot 1.CAS NO: 1309-48-4. 2.ISO9001: ... of shareholders.Staff: more than 10002010 export:383900 TONSFactory Audit by INTERTEK. Our product as follow:magnesiun powder: 60 mesh, 80 ... .90%, weight: 100g,200g,300g,5kg,7.5kg,12kg... high purity mg ingot