INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2019

INVENTORIES

Schedule of inventories, by component

	March 31,		December 31,
	2019		2018
Raw materials	$	115,942	$	110,720
Work in process		125,774		131,091
Finished goods		148,687		139,299
Total	$	390,403	$	381,110