BRIEF-Cinda Real Estate's unit wins land auctions for 12.3 bln yuan in Hangzhou

May 30 (Reuters) - Cinda Real Estate Co Ltd * Says unit wins land auctions for a combined 12.3 billion yuan ($1.87 billion) in Hangzhou city Source text in Chinese: http://bit.ly/1THbRMD Further company coverage: ($1 = 6.5800 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)