Content Writing For Web

I need someone to write a content for 10 pages for one of my website. The website is for locksmith business. Each write-up will be approx 500 words long. I will provide keywords for each write-up, and suggest the required keyword density. As a writer your job is to write a professional text-copy that has the intended keywords in the requested density and yet it needs to read spontaneous and very professional. Each write-up will have 2-4 para of text each with a relevant sub-title. All writing will be checked through copy scape for plagiarism. Also remember that these write-up will be published on the website as website content and will not used as marketing articles. Long term engagement possible for deserving candidates.