One of the KL best beef noodle located near petaling street.. exact address I also duno, go refer google map la. The shop has been there for quite some time... not sure for how many decade but for sure it went through the history of '茌廠街'.
I used to take my friend there each time when they visit KL or new to 'KL'. And usually we will order '米粉干撈' the reason is all because the ingredient that auntie put into the dry noodle is mince beef XD and that taste so nice... some customer even eat in another way where they just order mee soup and then pour in the mince beef.
If you are not into sparepart of beef, you can just order '丸肉' and you can also consider to '加料'. Cost for a standard '米粉干撈-丸肉加料' is around MYR 8 where you can also order drinks like '涼茶' for another MYR 1 or softdrink.