What Happen with my site? Help!

Yes there was a small Blog before with about 15 articles listed in

No redirect

You should add a description on the main page. It could be that google is seeing a lot of duplicate content since you're taking those directly from the manufacture. What I would do is remove all the items on your store, build up the main page with quality content/links (only adding a unique title doesn't count). If your website pops up then you can start adding some of your site but with unique content.