{{%%!^10}}+256789125443 Tantalite coltan Ta2o5 : 35.1% 2) Nb2O5 : 34.9% 3) Fe2o3 : 15.5% 4) MnO : 9.63% 5) TiO2 in China India, Indonesia Bangladesh Srilanka Myanmar Malaysia Singapore DUBAI Japan, Canada We are specializing in columbite and tantalite, which are the critical elements used in cell phones, aerospace industry, defense, medical industry, and other high technology applications. About Coltan (short for columbite�??tantalite) is a dull black metallic ore from which the ele https://ssdchemicalsolutionlabaratory.webs.com/