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

LONG-TERM INVESTMENT - Additional information (Details)

v3.21.4
LONG-TERM INVESTMENT - Additional information (Details)
12 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2021
USD ($)
Dec. 31, 2011
CNY (¥)
Wenzhou Longlian Development        
Schedule Of Cost Method Investment        
Dividend income $ 0 $ 0    
Wenzhou Longlian Development Co., Ltd.        
Schedule Of Cost Method Investment        
Equity method investments | ¥       ¥ 2,083,300
Ownership percentage       2.0833%
Long-term investment $ 306,837   $ 323,323