The 12/13/2017 Taipei Times reports this morning that the biometric scanners were procured, against Taiwanese regulations from China. Officials claim there is no evidence that personal travelers information was leaked.
Who knows, but there were underlying claims of corruption with regard to the software vendor as well. And I found this quote from the owner of the vendor company interesting,
...”claimed his software costs less and has fewer hardware requirements than Microsoft, IBM and Oracle’s competing proprietary systems, because it makes use of open protocols...”Link to the complete story：Officials deny security, personal leaks over e-Gate - Taipei Times