I have read your request and feel I can provide you good quality proofreading. as a former technical secretary my main duty was to proofread documents that SW and HW engineers wrote.
Although I am new to Freelancer, I can assure you quality proofreading for your articles. I have almost 20 years experience proofreading many different types of mediums.
Although I am new to this site, I assure you that I have full English comprehension and can turn out a polished product. Try me - you'll request me next time.
I am interested in your project. I have been teaching English for about 12 years, thus a proficient level of English is guaranteed. My price is 15 dollars per two articles. Thank you.