(Corrects target company name in headline and text after GNI Group officially corrects statement)
April 19 (Reuters) - GNI Group Ltd
* Says it will acquire 70 percent voting power of a new unit of Berkeley Advanced Biomaterials, Inc., for $59.7 million (6.51 billion yen), through GNI USA, Inc.
* Says Berkeley Advanced Biomaterials,Inc. will set up a new unit, and transfer all property and business to unit
* Says transaction effective July 31
Further company coverage: (Beijing Headline News)