Didn't see any previous mentions of this place which I found odd as it seems they have been around for a long time. Have been meaning to check it out ever since I saw a few Yelp reviews mentioning they did Korean/Chinese.
I have a bit of a soft spot for jajangmyeon so gave it a shot this eve. One of the better versions I have had. Homemade noodles, black sauce loaded with pork/onion/zuchinni. Pure comfort food for me. Also went with Mongolian Beef based on all the positives on Yelp about it (I NEVER order this). It was actually really good. Nice tight sauce full of flavor rather than drowning in a puddle. Certainly this place seems a step above any of the non-Chinatown places I have been to. They also had a really good hot and sour soup (could have used a bit more pepper heat but did have a nice sour note).
Hate to compare but the jajangmyeon and hot and sour soup reminded me a lot of Yu's Mandarin in Schaumburg (which I do not think is a bad thing).
Looks like they have a lot of the standard Korean/Chinese dishes (champong, chicken wings, etc). Kimchi included with the takeout was a nice touch as well!
Peking Mandarin
3459 W Lawrence Ave
Chicago, IL 60625
(773) 478-5338