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INVENTORIES (Tables)
 6 Months Ended
Jul. 01, 2017
INVENTORIES  
Schedule of inventories

 

 

 

July 1,

 

December 31,

 

 

 

2017

 

2016

 

Raw materials

 

$
21,865,236

 

$
17,404,606

 

Work-in-progress

 
3,661,950

 
3,397,225

 

Finished goods

 
5,164,661

 
3,443,491

 

 

 

 

 

 

 

 

 

$
30,691,847

 

$
24,245,322