v3.22.2.2
Nature of business and organization (Details Narrative)
1 Months Ended 12 Months Ended
Jun. 30, 2022
$ / shares
shares
Apr. 29, 2022
$ / shares
shares
Nov. 15, 2021
$ / shares
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2020
CNY (¥)
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2021
USD ($)
shares
Sep. 30, 2020
USD ($)
Sep. 30, 2020
CNY (¥)
common stock shares outstanding           17,547,118 17,145,000    
Total consideration       $ 1,500,000 ¥ 10,500,000        
Deposits               $ 465,460 ¥ 160,000
Due to related party           $ 324,337 $ 188,202 $ 1,082,000 ¥ 7,340,000
Sale of Stock, Number of Shares Issued in Transaction     130,000            
Sale of Stock, Price Per Share | $ / shares     $ 2.00            
Subsequent Event [Member]                  
Sale of Stock, Number of Shares Issued in Transaction 20,000 100,000              
Sale of Stock, Price Per Share | $ / shares $ 4.00 $ 4.00              
Zhong Yuan Investment [Member]                  
Percentage of holding           100.00%      
Number of shares exchanged           161,500,000      
common stock shares outstanding             170,000,000    
Percentage of shares Outstanding           95.00%      
China Bio [Member]                  
Percentage of holding           100.00%      
BF Beijing [Member]                  
Cash consideration | $           $ 1,351,500