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INVENTORIES (Details) (USD $)
Mar. 30, 2013
Dec. 29, 2012
INVENTORIES    
Raw materials $ 25,984,041 $ 21,557,053
Work-in-progress 5,399,405 3,654,801
Finished goods 8,688,644 7,097,077
Total $ 40,072,090 $ 32,308,931