July 21 (Reuters) - Zijin Mining Group Co Ltd 601899.SS 2899.HK
* Says unit signs agreement to acquire 305.8 million shares of NKWE Platinum NKP.AX at A$0.10 per share for A$30.58 million ($22.56 million)
Source text in Chinese: http://bit.ly/1Mm9kbd
Further company coverage: 601899.SS 2899.HK ($1 = 1.3557 Australian dollars)