To get more likes for your facebook page, you should: 1. Share your page to your friends and tell them hit likes for you 2. Promote your page as many places as you can (other social networking sites, forums, etc.) 3. Keep your page be updated regularly (that makes your page become visibility on other people's timelines) 4. The easiest and fastest way - outsourcing on fiverr, seoclerks, etc. There are many freelancers who can send tons of facebook likes at a cheap rate to your page.
Post good content and your page title must be attractive. Don't left your page inactive, post daily and keep it active so more people will like it. You can also buy facebook likes from marketplaces like SEOclerks.