Is this recommendation letter well written (Thank you in advance)?

This letter of recommendation is to certify that the prospect student, …, is highly eligible to pursue his career as an electrical engineers at your University or Company. I have known him since his undergraduate studies.

During that period, he took the courses "Operating Systems" with me which he got the B mark among his classmates and he exhibited excellent performance.

As his competence in English skills is concerned, he has excellent abilities in written and oral English as well as comprehending lectures or presentation, presented in English.

He has an outstanding potential to deal with research work and surmount its challenging perfectly, making him absolutely qualified in underlined research works and topics.