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INVENTORIES (Tables)
 6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventories by Major Categories
Inventories by major categories are summarized as follows:
 
 
 
June 30,
2013
 
December 31,
2012
 
Raw materials
 
$
11,937,907
 
$
12,906,713
 
Work in progress
 
 
637,392
 
 
419,695
 
CCA and copper wire
 
 
2,685,487
 
 
2,947,584
 
Copper rod and anode
 
 
4,153,205
 
 
1,570,413
 
 
 
$
19,413,991
 
$
17,844,405