Bank Loans (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Bank loan due on demand
Bank loans	$ 22,473,539	$ 29,185,381
Nanjing Bank [Member]
Bank loan due on demand
Bank loans	5,599,399	11,731,223
Shanghai Pudong Development Bank [Member]
Bank loan due on demand
Bank loans	6,328,000	8,966,382
Industrial and Commercial Bank Of China [Member]
Bank loan due on demand
Bank loans		5,294,270
Bank Of Communications [Member]
Bank loan due on demand
Bank loans	7,432,103	2,660,562
The Hong Kong and Shanghai Bank [Member]
Bank loan due on demand
Bank loans	1,215,637	532,944
Bank of China [Member]
Bank loan due on demand
Bank loans	$ 1,898,400