Copywriter to Promote Website

We require an experienced copywriter from the UK or USA to provide us with original, informative, keyword rich articles. Each article should be between 600-800 words. I MUST STRESS that we are looking for a professional, reliable copywriter. Please provide a sample work in your PM and also write the word nine in the PM so that we know you are not a machine and have taken time to read and understand our project requirements. IMPORTANT:: all articles must pass all various plagiarism tests. To start off we require an copywriter to produce 6 articles of 300-350 words for a website of which the exact titles will be given on the winning bid.