翻譯!!! 英文自我介紹!!!20點!!!!

How are you, my name is terry, I once in (before company) in works for four years, but this is my first work in these four years, I complete the middle school curriculum in the night school, I in (before company) works this period of time, I learn the experience which works in the large scale company, but mainly processes other colleague's request in this company's mailroom work responsibility, for example. But (and so on) I resign the reason, is because this company has worked for four years, but my position has not promoted the opportunity therefore I want to attempt other work, makes oneself to be possible to study many, has more progresses.

My
name is Henry. I had been working in ABC for four years. This was my first job.
During the time I worked in ABC, I had completed my secondary schooling. I had
learnt and gained experience of working in a large company. My main duties in
the mailing room was handling the requests from colleagues e.g. ...

The main reason for tendering resignation from the above job is that I foresee
there is unlikely an opportunity for me to grow after working there for 4
years. I wish to change my job for a better learning and a wider experience for
my career advancement.