English text proofread

Hello. I need a Proofreader, who can proofread and edit English text ( translated from Russian, we have russian text too). I need a English native speakers or Fully bilingual English/Russian freelancer. Text contains technical terms for UAV - unmanned aerial vehicle. At the first , we want receive test proofread for part of text, that we can choose the best .
Russian variant of text : http://store.drone.ua/shop/multirotoryeplatform/agro-drone-ua-cd600-lf/