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Payables to former subsidiaries
12 Months Ended
Dec. 31, 2017
Payables to former subsidiaries [Text Block]
8.

Payables to former subsidiaries

Payables to former subsidiaries as of September 30, 2016, December 31, 2016 and 2017 consisted of the following:

 

  September 30,     December 31,     December 31,  

 

  2016     2016     2017  

BAK Tianjin

$ 56,188   $ 194,744   $ 282,682  

BAK Shenzhen

  4,326,046     2,294,085     22,020,039  

 

$ 4,382,234   $ 2,488,859   $ 22,302,721  

Balance as of September 30, 2016, December 31, 2016 and 2017 consisted of payables for purchase of inventories from BAK Tianjin and Shenzhen BAK. From time to time, the Company purchased from these former subsidiaries products that it did not produce to meet the needs of its customers.