求購玻璃拋光粉

我們所需拋光粉的規格為：
Main contents:
Total Rare Earth Oxides (TREO)    91.38%
CeO2/TREO             62.82%
L.O.I               1.86%
2.  Physical properties
Average Particle Size    1.2 microns
Density             6.3g/cm3
3. Chemical Composition
F-              4.4%
我們需要的拋光粉顆粒度為1.2-1.4(6噸)和0.8-1.1(4噸)