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Concentrations
 12 Months Ended
Dec. 31, 2019
Risks and Uncertainties [Abstract]  
CONCENTRATIONS

20.CONCENTRATIONS

 

Major Customers

 

For the year ended December 31, 2019, two customers each accounted for approximately 21% and 15%, respectively, of the Company's revenues. For the year ended December 31, 2018, two customers each accounted for approximately 16% and 13%, respectively, of the Company's revenues. For the year ended December 31, 2017, two customers accounted for approximately 44% and 12%, respectively, of the Company's revenues.

 

Major Suppliers

 

For the year ended December 31, 2019, one supplier accounted for 100% of the Company's purchases. For the year ended December 31, 2018, two suppliers each accounted for approximately 31% and 17% respectively, of the Company's purchases. For the year ended December 31, 2017, two suppliers each accounted for approximately 40% and 23%, respectively, of the Company's purchases. 

 

Revenues by categories

 

The following represents the revenues by categories, all derived from China:

 

   For the years ended
December 31,		 
   2019   2018   2017 
Categories            
Product sales            
Medical Devices  $58,750   $221,414   $827,032 
Mobile Medicine (sleep apnea diagnostic products)   153,644    120,930    54,979 
OSAS service (analysis and detection)   171,064    217,042    - 
Total Revenues  $383,458   $559,386   $882,011