HELP!!! are there any mistakes in this?

Dear...,

Thank you for your recommendations and suggestions for improving self-assessment of training program. We have considered them and tried to give an explanation.
We worry about the evidences, which due to the very large volume ,translated only fragments, but and sent in Russian language. Since so (Do not know relevance of this here) want to show that the surveyor training program in Kazakhstan, though "young", but it is very important and necessary for the development of accreditation of medical organizations. We relied on the experience and recomendation of our international consultants and experience of other countries, whose programs have been assessed by JCI.
We hope that our additions will satisfy be usefull for you.