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Income Tax (Details) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
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 | (16.90%) | (9.30%)
Effective tax holiday |  | (7.20%)
Other | 0.70% | (2.00%)
Tax rate change for future deferred tax items | (10.10%) |
Prior periods income tax adjustment per income tax return filed | (2.80%) | (1.80%)
Permanent differences | (165.90%) |
Valuation allowance on PRC NOL | 0.10% | 0.10%
Valuation allowance on US NOL | 30.00% | 1.20%
Tax per financial statements | (130.90%) | 15.00%

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