Looking for Quality Native as well as Non Native Content Writers!

I've been working in SEO company for 3 years and i'm doing content management and all kinds of content related work. We need contents on a daily basis for our SEO projects but before putting our requirements here. Please see below details and bid here if you can work accordingly. 1. I need experienced writer who has experience of more than 1 year. 2. I'll prefer native writers, but if you can produce well researched and quality articles without any errors, then i don't mind to hire you for my next jobs. 3. Don't spam me with forward messages and samples of other writers. 4. I don't want team and don't want person who work as team leader. 5. I need an individual writer who can write 5-10 articles a day. 6. All articles must be 100% unique, Cs passed without any grammatical errors. Now, Coming to my project here is details: I have 5 sites right now and need 5 articles per day for them for blog posting to other networks. So total 25 articles for each site. 2 are on health niche, 1 on tech and 2 are on other niches. I'll provide you keywords and topics. Articles will be 400-500 words long Please specify your rates and samples here. Thanks, Benjamim P.S: don't spam here with unnecessary messages.