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INVENTORIES (Tables)
 3 Months Ended
Apr. 01, 2017
INVENTORIES  
Schedule of inventories

 

 

April 1,

 

December 31,

 

 

 

2017

 

2016

 

Raw materials

 

$
29,862,338

 

$
17,404,606

 

Work-in-progress

 
5,288,096

 
3,397,225

 

Finished goods

 
6,821,336

 
3,443,491

 

 

 

 

 

 

 

 

 

$
41,971,770

 

$
24,245,322