BRIEF-Yango Group's unit, partner to acquire property firm for 3.5 bln yuan

May 30 (Reuters) - Yango Group Co Ltd * Says unit and partner plan to buy property firm in changsha city for 3.47 billion yuan ($527.32 million) Source text in Chinese: http://bit.ly/1TSlo7d Further company coverage: ($1 = 6.5805 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)