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5. PROPERTY, PLANT AND EQUIPMENT UNDER CAPITAL LEASES, NET (Tables) | 6 Months Ended
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Jun. 30, 2018
Property Plant And Equipment Under Capital Leases Net |
Property, plant and equipment under capital leases |
|  | June 30, 2018 |  | December 31, 2017
At cost: |  |  |  |  |  |  |  |
Buildings |  | $ | 124,375 |  |  | $ | 125,939 |
Plant and machinery |  |  | 2,285,465 |  |  |  | 2,314,196 |
Total |  |  | 2,409,840 |  |  |  | 2,440,135 |
Less: Accumulated depreciation and amortization |  |  | (2,015,660 | ) |  |  | (1,947,897 | )
Net book value |  | $ | 394,180 |  |  | $ | 492,238 |

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