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Income Tax (Details) | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Schedule of reconciliation of U.S. statutory rates to effective tax rate |  |
U.S. statutory rates | 34.00% | 34.00%
Tax rate difference - current provision | (7.70%) | (15.60%)
Tax rate change for future deferred tax items |  | 39.60%
Valuation allowance on PRC NOL | 37.90% | 0.70%
Valuation allowance on US NOL | (5.00%) | 24.80%
Tax per financial statements | 59.30% | 83.50%

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