In fact, it is very easy to apply for a Malaysian visa if you have a Singapore work visa. Generally speaking, there are two kinds of visas: one is based on the number of round trips, and the other is based on time. I used to apply by time, that is, I can go back and forth at will within one year; I often go to Malaysia to eat seafood, and Singapore is too expensive; Or go to Genting to play.
You can go to any travel agency. You only need your work visa, photos and passport. It usually takes 7 working days and costs about 5 Singapore dollars. However, you must pay attention to the expiration date of your passport before processing. Generally, you can apply for it six months before the expiration date.
if you have any questions, please feel free to HI me!