Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Details Textual)

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STOCKHOLDERS' EQUITY (Details Textual)
1 Months Ended 12 Months Ended
Aug. 15, 2018
USD ($)
$ / shares
shares
Mar. 21, 2018
$ / shares
shares
Jan. 09, 2018
USD ($)
$ / shares
shares
Dec. 22, 2017
USD ($)
$ / shares
shares
Dec. 21, 2017
USD ($)
$ / shares
shares
Sep. 01, 2017
$ / shares
shares
Dec. 19, 2016
$ / shares
shares
May 25, 2016
CNY (¥)
Oct. 12, 2015
Jun. 28, 2016
CNY (¥)
Sep. 30, 2018
USD ($)
$ / shares
shares
Sep. 30, 2017
USD ($)
shares
Sep. 30, 2016
USD ($)
Aug. 15, 2018
CNY (¥)
May 24, 2016
CNY (¥)
Sep. 29, 2015
Stockholders' Equity, Period Increase (Decrease) | ¥               ¥ 10,000,000                
Total stockholders' equity               ¥ 30,000,000     $ 37,041,845 $ 21,216,918     ¥ 20,000,000  
Common Stock, Par or Stated Value Per Share | $ / shares             $ 1                  
Stockholders' Equity Note, Stock Split             a 180 for 1 forward stock split whereby every authorized, issued and outstanding ordinary shares was exchanged for 180 new ordinary shares                  
Common Stock, Shares Authorized | shares             9,000,000       50,000,000 50,000,000        
Proceeds from Issuance of Private Placement | $         $ 100,000                      
Stock Issued During Period, Shares, New Issues | shares   30,000     16,666                      
Shares Issued, Price Per Share | $ / shares $ 2.82       $ 6.00                      
Number Of Warrants Issued | shares           74,784                    
Warrants Issued Percentage           (7.00%)                    
Class of Warrants Or Right, Expiration Term           4 years                    
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares           $ 5                    
Class of Warrant or Right, Outstanding | shares                     74,784          
Warrants Not Settleable in Cash, Fair Value Disclosure | $                     $ 438,234          
Fair Value Assumptions Risk Free Interest Rates                     2.00%          
Fair Value Assumptions Expected Terms                     5 years          
Fair Value Assumptions Exercise Prices | $ / shares                     $ 5          
Fair Value Assumptions Expected Volatility Rates                     67.40%          
Fair Value Assumption, Number Of Tree Step                     10          
Statutory Accounting Practices, Statutory Capital and Surplus Required | $                     $ 2,031,775 $ 1,173,363        
Net loss | $                     7,103,057 5,933,688 $ 5,302,691      
Retained Earnings, Appropriated | $                     6,325,541 5,467,130        
Share Price | $ / shares   $ 5.88                            
Debt Conversion, Converted Instrument, Shares Issued | shares 3,280,525                              
Foreign Currency Exchange Rate, Translation 0.144238                         0.144238    
Retained Earnings, Appropriated [Member]                                
Net loss | $                     $ 858,412 $ 593,369 $ 579,994      
Maximum [Member]                                
Statutory Surplus Reserves Percentage                     50.00%          
Minimum [Member]                                
Statutory Surplus Reserves Percentage                     10.00%          
Private Placement [Member]                                
Proceeds from Issuance of Private Placement | $     $ 500,000 $ 420,000                        
Stock Issued During Period, Shares, New Issues | shares     62,500 70,000                        
Shares Issued, Price Per Share | $ / shares     $ 8.00 $ 6.00                        
Zhenglong Ecommerce [Member]                                
Noncontrolling Interest, Ownership Percentage by Parent                     10.90%          
ZK Uganda [Member]                                
Noncontrolling Interest, Ownership Percentage by Parent                     20.00%          
Wenzhou Weijia [Member]                                
Noncontrolling Interest, Ownership Percentage by Parent                     99.00%         99.00%
HUANG Jian Cong [Member]                                
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest                 45.00%              
Proceeds from Contributed Capital | ¥                   ¥ 100,000            
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners                   1.00% 1.00%          
Notes Payable, Related Parties $ 9,242,676                         ¥ 64,079,472    
Debt Instrument, Convertible, Conversion Price | $ / shares $ 2.82                              
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger 75.00%                              
Notes Payable | ¥                           ¥ 69,000,000    
WANG Jian Di [Member]                                
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest                 10.00%   1.09%          
WANG Ming Jie [Member] | Subsidiary One [Member]                                
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest                 20.00%   10.89%          
WANG Guo Lin [Member] | Subsidiary One [Member]                                
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest                 20.00%   10.89%          
WANG Yang Ming [Member] | Subsidiary One [Member]                                
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest                 5.00%              
ZK International [Member] | Subsidiary Two [Member]                                
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest                 100.00%   100.00%