I would suggest outsourcing this to someone with a knowledge. Wikipedia is a huge authority site and if you don't know all of the rules than your article will be removed.... very very quickly. There are services out there that offer creating Wikipedia page for your brand. Search in Google and other forums. Good luck!
This procedure will give you instructions on how to create a page in Wikipedia site and kindly visit this link for more information. https://en.wikipedia.org/wiki/Wikipedia:How_to_create_a_page