摘要
Gansu Rare Earth Corporation is one of thelargest rare earth producers in China.Its annual pro-duction capacity of rare earth chloride has reached18000 ton REO by the end of 1992,ranking the firstin China and being the second in the world(onlynext to Molycorp.,USA).The corporation’s original annual capacity ofrare earth chloride was 12000 ton REO.In
