WCIF: cheap solar panels 12V DC in taipei?

where can i shop for a really cheap electronics supplies. for solar panel or any solar gadgets. thanks,
do they have solar exhaust fan (CPU fans)

In Taipei, near the Main Station is “NOVA” (huge place with a lot of individual shops inside), in the basement is a pretty good ‘parts’ place that has all sorts of good stuff. Not sure if they are the lowest possible price, but they have most all of the basic components that one would need.