Content Writing on LED lighting for blog

I need someone who can write rich content/articles about LED lighting for the blog on my website([login to view URL]), based on the keyword that we offer, like LED high bay light, LED tennis court lighting. We need quality, unique content about 500-1,000words per article, no copy. These contents are for SEO purpose to enhance my website traffic. Anyone who has experience in this field are invited, especially those have some knowldege of LED lighting are preferred. I have written one article as sample for referance on [login to view URL] If job done well, we may need about 1 or 2 articles per week as long term job. Thank you.