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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Schedule of assets and liabilities recorded at fair value

         Fair Value Measurements at
Reporting Date Using
 
Description  December 31, 2018   Level 1   Level 2   Level 3 
Banker’s acceptance notes  $20,579   $        -   $20,579   $        - 
Total  $20,579   $-   $20,579   $- 

 

       Fair Value Measurements at 
       Reporting Date Using 
Description  December 31, 2017   Level 1   Level 2   Level 3 
Banker’s acceptance notes  $39,867   $         -   $39,867   $        - 
Total  $39,867   $-   $39,867   $-