Bank Loans (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Schedule of bank loans
Bank loans	$ 51,459,842	$ 53,338,748
Nanjing Bank [Member]
Schedule of bank loans
Bank loans	12,147,020	18,526,618
Industrial and Commercial Bank of China [Member]
Schedule of bank loans
Bank loans	10,250,586	1,799,600
Bank of Communications [Member]
Schedule of bank loans
Bank loans	8,591,572	9,245,108
Bank of China [Member]
Schedule of bank loans
Bank loans	6,546,924	8,210,699
HSBC [Member]
Schedule of bank loans
Bank loans	5,915,543	3,499,552
Bank of Everbright [Member]
Schedule of bank loans
Bank loans	3,244,000	3,272,000
China Minsheng Bank [Member]
Schedule of bank loans
Bank loans	3,244,000	4,953,069
Ping An Bank [Member]
Schedule of bank loans
Bank loans	1,520,197	2,196,102
Hua Xia Bank [Member]
Schedule of bank loans
Bank loans		$ 1,636,000