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DUE TO THIRD PARTIES (Details Textual) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Jun. 03, 2013
Long-term Debt, Gross $ 79,357us-gaap_DebtInstrumentCarryingAmount     $ 464,550us-gaap_DebtInstrumentCarryingAmount
Debt Instrument, Interest Rate, Effective Percentage 5.75%us-gaap_DebtInstrumentInterestRateEffectivePercentage   18.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage 4.20%us-gaap_DebtInstrumentInterestRateEffectivePercentage
Interest Expense, Debt 10,536us-gaap_InterestExpenseDebt 7,136us-gaap_InterestExpenseDebt    
Debt, Weighted Average Interest Rate 5.75%us-gaap_DebtWeightedAverageInterestRate   11.15%us-gaap_DebtWeightedAverageInterestRate  
Wuxi KJF [Member]        
Debt Instrument, Interest Rate, Effective Percentage     6.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= kjfi_WuxiKjfMember
 
Repayments of Notes Payable     $ 81,357us-gaap_RepaymentsOfNotesPayable
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= kjfi_WuxiKjfMember