Lots more wheat being grown in northern Mongolia these days and there are noodles that are produced domestically. See, for example my https://blogs.ubc.ca/mongolia/2023/new-to-ulaanbaatar-august-2023/ on consumer products and https://blogs.ubc.ca/mongolia/2023/change-countryside-august-2023/ on agricultural production.
[Probably an over-explanation of aspects you might well be aware, apologies.]