Web site articles

Project Description:
Hello,
I’m looking for native English speaker copywriter, who is well aware of writing SEO optimized content.
Text should be ORIGINAL/unique (I'll check it on Copyscape.com!) and written by HUMAN only!
Please send me the best examples of your work published and proven it's yours.
I am design a Locksmith web site and I need someone to write the content for Locksmith Website.
I need 13 articles 500 words each.
I need 27 articles 250 words each.
13 articles 500 words (approximately) each:
11 – site content including Main Page (index.html) & “About Us”.I will be providing specific key words for the articles .
1- for “Facebook” bio – 400 words basically the same as Main Page, but in a different words.
1 - for “LinkedIn”- 600 words - basically the same as Main Page, but in a different words (and to fill up everything: Summary, Specialties, Experience, Education).
1- for "Twitter"- 400 words basically the same as Main Page, but in a different words.
20 articles 250 words (approximately) each:
Just should contain word “locksmith” 4 times. and some should contain word "car key replacement" it should be original/unique text just for Search Engines.
Thank you.