Creating a Facebook page for you business is the primary step for promoting your business.

Facebook is the most popular social media platform in the US and other counrty also. It has over 2 billion monthly users.

The other plus of having a Facebook page for your business is that you can use that page to promote your other Facebook pages. 
For example, Antique Touch you can use your Facebook business page to promote the Facebook pages of all related people, brands, or companies.

So facebook is increases brand awareness and helps people recognize your brand more easily.