You may be on to something with that. I have been looking at this link and just posted 1 link and didn't get much back but some VERY good information and you may like to look https://m.youtube.com/c/ChinainFocusNTD/videos?disable_polymer=true&itct=CBAQ8JMBGAEiEwjh953EzPTsAhWNg8QKHewaA1k%3D