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Loans (Details)
¥ in Millions
Sep. 30, 2021
USD ($)
Nov. 12, 2020
USD ($)
Nov. 12, 2020
CNY (¥)
Sep. 30, 2020
USD ($)
Short-term Debt [Line Items]        
Short-term loans $ 2,172,766     $ 588,000
Total short-term and long-term loans 2,315,030     588,000
Zhejiang Mintai Commercial Bank (Hangzhou Branch)        
Short-term Debt [Line Items]        
Short-term loans 2,172,766      
Hangzhou United Rural Commercial Bank Co., Ltd.        
Short-term Debt [Line Items]        
Short-term loans   $ 499,800 ¥ 3.4 $ 588,000
China Resources Shenzhen Investment Trust Co., Ltd.        
Short-term Debt [Line Items]        
Long-term loan $ 142,264