Not anime soundtracks or exactly techno - but I think that this one have industrial sound there are also clips on page
Outrage(movie) Keichi Suzuki
http://www.cdjapan.co.jp/detailview.html?KEY=MUCD-1229
And some anime tips:
TEXHNOLYZE anime TV series
http://www.youtube.com/watch?v=MTY_UKnXd50
VEXILLE (Paul Oakenfold) - anime movie
http://www.youtube.com/watch?v=kG7RmEB8qmQ
BRAVE STORY (Juno Reactor) - anime movie
http://www.soundtrackcorner.de/brave-story-p998.htm
But for industrial style-techno music try to find or ask also for game soundtrack in video game music discussion. I think there will be lot of help.
All the best