Is this sentence OK?
Hereby issue this certificate to honor the person who has made excellent contribution in promoting science and technology work as an encouragement.

Thank you.

Question

Is this sentence OK?
Hereby issue this certificate to honor the person who has made excellent contribution in promoting science and technology work as an encouragement.

Thank you.

Answer

Try this.

I hereby issue this certificate as an encouragement to honor the person who has made an excellent contribution in promoting the work of science and technology.