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2. Organization and Business Background (Tables)
9 Months Ended
Sep. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule 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 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 shares at US$0.001 each   100% 
               
AiTeach International Limited  Hong Kong  AI Business  10,000 ordinary shares for HK$100   100% 
               
Hong Kong Healthtech Limited  Hong Kong  AI Business  5,100 ordinary shares for HK$5,100   51% 
               
Cosmos Robotor AI Education (Shenzhen) Limited  The People’s Republic of China  Education service  N/A   100%