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Income Tax (Details)	12 Months Ended
	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	8.90%	(9.30%)
Effective tax holiday		(7.20%)
Other		(2.00%)
Tax rate change for future deferred tax items	(0.10%)
Prior periods income tax adjustment per income tax return filed		(1.80%)
Permanent differences	(1.90%)
Valuation allowance on PRC NOL	14.30%	0.10%
Valuation allowance on US NOL	0.30%	1.20%
Tax per financial statements	(12.50%)	15.00%

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The tax effect of correction of an error charged or credited directly to the opening balance of retained earnings.

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