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1. Organization and Business Background (Tables)
 12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Description of subsidiaries
Name  

Place of incorporation

and kind of

legal entity

  

Principal activities

and place of operation

  

Particulars of issued/

registered share

capital

  

Effective interest

held

                 
Lee Tat International Holdings Limited  

British Virgin

Islands

   Investment holding   50,000 ordinary shares at US$1 each   100%
                 
Lee Tat Transportation International Limited   Hong Kong   Logistic and delivery   10,000 ordinary shares for HK$10,000   100%
                 
Cosmos Robotor Holdings Limited  

British Virgin

Islands

   Investment holding   50,000 ordinary shares at US$0.001 each   100%
                 
AiTeach International Limited  

British Virgin

Islands

   AI Business   10,000 ordinary shares for HK$100   100%
                 
Cosmos Robotor AI Education (Shenzhen) Limited   The People’s Republic of China   Education   N/A   100%