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Inventories
12 Months Ended
Mar. 31, 2013
Inventory Disclosure [Abstract]  
Inventories
8. INVENTORIES

 

     March 31,
2013
     March 31,
2012
 
     US$      US$  

Raw materials

     2,791,811         2,716,414   

Work in progress

     878,718         780,588   

Finished goods

     1,721,803         1,877,190   
  

 

 

    

 

 

 
     5,392,332         5,374,192   
  

 

 

    

 

 

 

For the fiscal years ended March 31, 2013, 2012 and 2011, a write-down of inventories to fair market value of US$867,312, US$932,848 and US$405,313 respectively, was recognized in the consolidated statement of operations and comprehensive income, of which nil, US$548,293 and US$42,004 were included in income (loss) from discontinued operations.