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4. PROPERTY, PLANT AND EQUIPMENT, NET (Details Narrative) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Land | $ 19,631,699 |  | $ 20,409,998
Depreciation and amortization expense | 3,311,907 | $ 4,688,248 |
Direct labor and factory overheads incurred during plant shutdown | 3,066,896 | 4,504,249 |
Cost of net revenue | 20,181 | 0 |
Cost of administrative expenses | $ 224,830 | $ 183,999 |

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