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6. PROPERTY, PLANT AND EQUIPMENT UNDER CAPITAL LEASES, NET | 6 Months Ended
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Jun. 30, 2016
Leases [Abstract] |
6. PROPERTY, PLANT AND EQUIPMENT UNDER CAPITAL LEASES, NET | Property, plant and equipment under capital leases, net consist of the following:
|  | June 30, 2016 |  |  | December 31, 2015 |
At cost: |  |  |  |  |  |
Buildings |  | $ | 124,095 |  |  | $ | 126,729 |
Plant and machinery |  |  | 2,332,640 |  |  |  | 2,382,139 |
Total |  |  | 2,456,735 |  |  |  | 2,508,868 |
Less: Accumulated depreciation and amortization |  |  | (1,712,847 | ) |  |  | (1,581,650 | )
Net book value |  | $ | 743,888 |  |  | $ | 927,218 |
The above buildings erected on parcels of land located in Shouguang, PRC, are collectively owned by local townships. The Company has not been able to obtain property ownership certificates over these buildings as the Company could not obtain land use rights certificates on the underlying parcels of land. During the three-month period ended June 30, 2016 and 2015, depreciation and amortization expense totaled $83,288 and $88,880, respectively, which was recorded as cost of net revenue. During the six-month period ended June 30, 2016 and 2015, depreciation and amortization expense totaled $166,608 and $177,504, respectively, which was recorded as cost of net revenue.

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