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Equity (Tables)
12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Schedule of estimate the fair value of stock options
   Options granted in April 2019 
Risk-free interest rate   2.3%-2.5%
Expected life of the options   5-10 years 
Expected volatility   71.9%
Expected dividend yield   0%
Fair value  $4,376,500 
Schedule of stock options
   Number of
Share
Options
   Weighted
Average
Exercise
Price
   Weighted
Average
Remaining
Contractual
Term
   Aggregate
Intrinsic
Value
 
       US$   Year   US$ 
                 
Outstanding as of January 1, 2019   -    -    -         - 
Granted   1,350,500    4.72    -    - 
Expired, forfeited or cancelled   -    -    -    - 
Outstanding as of December 31, 2019   1,350,500    4.72    5.37    - 
Exercisable as of December 31, 2019   421,500    4.11    7.82    -