Qualification of low cost recruitment agency

We process a high number of applications for positions. Now, we want to know if there are any professional agencies in low cost countries that can handle the initial application processing (eg. reducing number of applicants from 300 to 10). Positions are within a wide range, but focus on business and IT positions located in Europe and Asia. Bidder to propose project steps, but should include agency requirements, identification of possible agencies and presentation of findings including recommendation.