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Noncontrolling Interest
6 Months Ended
Nov. 30, 2011
Noncontrolling Interest [Abstract]  
Noncontrolling Interest Disclosure [Text Block]
14.  Non-controlling Interest

 

Non-controlling interest consists of other stockholders’ ownership interest in majority-owned subsidiaries of the Company, which is about 5.48% of the total ownership of Beijing Concrete before the change of the non-controlling interest and 5.32% of the total ownership after the change of the non-controlling interest (Note 1). Non-controlling interest also consists of 49% of the total ownership of the newly formed subsidiary, Laoting County Kejian Concrete Co. Ltd, which is owned by two other individuals. As of November 30, 2011 and May 31, 2011, the balance of non-controlling interest was $4,283,439 and $2,904,590, respectively.