Crowdfunding sites generally only work when you have a project for the greater public good (non-profit fundraising) or some type of art project. I suspect that your website is intended for what you hope will be a future profit generating business.
However, that said, there is no harm in trying. Here is a list of the top 10 crowdfunding sites and a short description in what they are most successful at:
http://www.forbes.com/sites/chancebarnet...
Another good options is Crowdtilt.com, which helps you fundraise for whatever you want.
What would be the most appropriate crowdfunding website for this project?