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Inventories (Tables)
12 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventories All the inventories are located in China. Inventories consisted of the following as of March 31, 2023 and 2022:
  

As of

March 31,

  

As of

March 31,

 
   2023   2022 
Raw materials  $282,618   $786,082 
Work in process   
-
    
-
 
Finished goods   52,401    603,479 
Total  $335,019   $1,389,561