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Notes Payable (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Notes payable (Textual)      
Notes payable $ 4,908,216 $ 3,170,276  
Restricted cash 2,454,108 1,585,138  
Property plant and equipment loan drawn from banking facility 34,177    
Short-term bank loans, fixed interest rate 6.68% 7.82% 6.38%
Bank of Hebei (c) [Member]
     
Notes payable (Textual)      
Number of bank acceptance notes 3 6  
Working capital loan drawn from banking facility 2,454,108 1,585,138  
Notes payable 4,908,216 3,170,276  
Restricted cash 2,454,108 1,585,138  
Property plant and equipment loan drawn from banking facility $ 34,177    
Short-term bank loans, fixed interest rate        
Handling charges of bank acceptance notes percentage 0.05% 0.05%