... 02TJ Technologies & Materials Inc (TJTM ) is the leading manufacturer and supplier of various Rare Earth Oxides, Compounds, Metals ... 99.9999% various purities of individual and co-precipitated Rare Earth chemicals, including Oxides, Acetates, Chloride, Carbonates, Hydroxides ... Fluorides, Nitrates, Oxalates, totally covered 90% of Rare Earth products, applied widely in manufacturing tri-band phosphors, ...