By using following steps you can build good audience on Facebook
1. World Wide Connectivity
2. Real Time Information Sharing
3. Commonality of Interest

Only good post will help you to get good audience.

Create fanpage and tabs

Build a fan page connect to your fans through comments, ask questions,Connect to your fans with ads.Be in touch with your fans with great content on your Page. Regular update plays the vital role.

FB advertising is a good way to begin :)

create a fanpage on fb or use a fb developer plugin on ur website

prompt to your site on social media optimization

Good & unique content is the way to get more visitor in Facebook.

Nowadays this is tough to make real audience on facebook to growth business.

you can create community and fan page on Facebook it is useful to increase visitors and you can share information..

look for the trade likes groups and join them!!

Facebook ads are great but make sure you target a specific group of people so that your traffic is targeted. Also I find that making that region in the United States converts better than that in other countries.

Once you have your fb page set up post your latest blog posts and answer any questions facebook users may have the goal is to look as human as possible.