Short-term Bank Loans (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Short-term Bank Loans
Loan Payable	$ 8,502,289	$ 11,661,761
Bank of Huludao
Short-term Bank Loans
Loan Payable	5,311,937	5,297,907
Interest rate per annum	9.465%	9.465%
Xian Bank
Short-term Bank Loans
Loan Payable	797,588	795,482
Interest rate per annum	8.528%	8.528%
China Construction Bank
Short-term Bank Loans
Loan Payable	2,392,764	2,386,445
Interest rate per annum	6.56%	6.56%
Bank of Chongqing
Short-term Bank Loans
Loan Payable		$ 3,181,927
Interest rate per annum	8.528%	8.528%