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4. PROPERTY, PLANT AND EQUIPMENT, NET (Details Narrative) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Property not be able to obtain property ownership certificates | $ 19,894,947 | $ 20,409,998
Depreciation and amortization expense | 14,060,927 | 17,443,318
Direct Labor and Factory Overhead |  |
Depreciation and amortization expense | 10,796,085 | 16,209,588
Administrative Expenses |  |
Depreciation and amortization expense | 848,345 | $ 966,718
Cost of Net Revenue |  |
Depreciation and amortization expense | $ 2,347,153 |

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