85377990
Jul 22, 2011
Mar 6, 2012
YIYANG HONGYUAN RARE EARTH CO. LTD.
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Alkaline-earth metals; Cerium; Dysprosium; Erbium; Europium; Hydrogen; Lanthanum; Neodymium; Rare earths; Samarium; Scandium; Terbium; Thulium; Ytterbium; Yttrium