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COMMITMENTS (Tables)
 12 Months Ended
Jun. 30, 2018
COMMITMENTS [Abstract]  
Material Commitments for Consolidated Group
Management have identified the following material commitments for the consolidated group as at June 30, 2018:
  
Payable
within
 1 year
  
Payable
later than
1 year within
 5 years
  
Total
 
  
US$
  
US$
  
US$
 
2018
         
Operating lease commitments (a)
  
25,627
   
—
   
25,627
 
Land option payments (b)
  
222,607
   
—
   
222,607
 
   
248,234
   
—
   
248,234
 

(a)
Operating lease commitments