Yixin Xinwei Leeshing Rare Earth Co., Ltd(hereafter called the company) is a subsidiary engaged in the separation and deep processing of rare earth under China Rare Earth Holdings Limited. With its staff of over 500, 30% of which being senior and middle technial staff, the company is at present one of the largest producers all over the world after0.2 billion HK$ was invested to reform its hardware. Technological levelã??ã?? The dissolving-into-acid-two-times way is applied to ensure more than 98% of the rare earth to be dissolved, and applied also id the advanced technique, in which the least volume of organic acid is used and reused, and the way in that hydrochloric acid is used to both anti-extract rare earth dissolved organic acid and purge therare earth from the rare earth chloride dissolved in hydrochloric acid, so that in this company the rare earth production rate could hold a lead in China. And the wastage og raw material in this company is 25%30%lower than domestic brother makers and the product quality of this company is one of the bests in China. And now in this company all the 15 rare earth elements have been able to be separated out.