XML 50 R49.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Significant Accounting Policies (Details 5)
12 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2014
CNY
Dec. 31, 2013
CNY
Dec. 31, 2012
CNY
Summary of Significant Accounting Policies        
Net income, representing undistributed earnings available to ordinary shareholder-basic and diluted $ 12,945,031us-gaap_NetIncomeLoss 79,210,649us-gaap_NetIncomeLoss 79,528,309us-gaap_NetIncomeLoss 188,151,454us-gaap_NetIncomeLoss
Weighted average number of ordinary shares outstanding - basic and diluted 25,725,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 25,725,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 25,725,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 25,725,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Basic and diluted (in dollars per share) $ 0.50us-gaap_EarningsPerShareBasicAndDiluted 3.08us-gaap_EarningsPerShareBasicAndDiluted 3.09us-gaap_EarningsPerShareBasicAndDiluted 7.31us-gaap_EarningsPerShareBasicAndDiluted
Operating Risk        
Percentage of short-term borrowing in total borrowings 89.00%born_PercentageOfShortTermBorrowingInTotalBorrowings 89.00%born_PercentageOfShortTermBorrowingInTotalBorrowings    
Percentage of long-term borrowing in total borrowings 11.00%born_PercentageOfLongTermBorrowingInTotalBorrowings 11.00%born_PercentageOfLongTermBorrowingInTotalBorrowings