Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES

v3.8.0.1
INVENTORIES
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Inventories are stated at the lower of cost or net realizable value. Cost is determined by either specific identification or weighted average methods. The components of inventories are as follows:
 
Mar 31, 2018
 
Dec 31, 2017
Raw materials
$
40,454,109

 
$
37,748,316

Work-in-process
14,275,342

 
9,491,408

Finished goods
28,119,351

 
24,885,457

 
$
82,848,802

 
$
72,125,181