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Summary of Significant Accounting Policies and Practices (Tables)
12 Months Ended
Dec. 31, 2022
Accounting Policies [Abstract]  
Schedule of property and equipment estimated useful lives
Buildings   5 – 38 years
Machinery and equipment   1 – 15 years
Leasehold improvement   Over the shorter of lease term of the estimated useful lives of the assets
Office equipment   1 – 5 years
Motor vehicles   5 – 12 years

 

Schedule of foreign exchange transactions involving RMB
Year ended December 31, 2021    
Balance sheet, except for equity accounts   RMB 6.3551 to US$1.00
Income statement and cash flows   RMB 6.4525 to US$1.00

 

Year ended December 31, 2022    
Balance sheet, except for equity accounts   RMB 6.9091 to US$1.00
Income statement and cash flows    RMB 6.7264 to US$1.00

 

Schedule of intangible assets amortization period
Computer software   1 - 10 years
Sewage discharge permit   5 - 7 years

 

Schedule of presents the activity of the deferred revenue
   December 31,   December 31, 
   2021   2022 
Balance at beginning of year   $ -   $784,000 
Development fees collected/ deposits received     784,000      1,115,010 
Development and sales of batteries revenue recognized    -    
-
 
Exchange realignment     -      (29,485) 
Balance at end of year  $784,000   $1,869,525 

 

Schedule of amount of unrecognized tax benefits excluding interest and penalties
   Gross UTB   Surcharge   Net UTB 
Balance as of January 1, 2021  $7,511,182    
     -
    7,511,182 
Decrease in unrecognized tax benefits taken in current period   (7,511,182)   
-
    (7,511,182)
Balance as of December 31, 2021 and 2022  $
-
   $
-
   $
-