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3. INVENTORIES, NET (Tables)
12 Months Ended
Dec. 31, 2018
Inventories Net Tables  
Schedule of inventories
    December 31,  
    2018     2017  
Finished goods   $ 82,313     $ 5,308  
Work in process     12,695       5,484  
Raw materials     63,259       120,400  
    $ 158,267     $ 131,192