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v3.19.1

Income Taxes (Details 1) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred tax assets (liabilities) |  |
Depreciation and amortization of property, plant and equipment | $ 7,683,378 | $ 7,097,828
Impairment of property, plant and equipment | 552,946 | 546,531
Miscellaneous | 367,819 | 289,799
Net operating loss carryover of PRC company | 477,790 | 342,933
Total deferred tax assets | 9,081,933 | 8,277,091
Less: Valuation allowance |  |
Total deferred tax assets, net | $ 9,081,933 | $ 8,277,091

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