It's a Taiwanese restaurant, Cali is like that wit the bad service. Just come for the food and forget about the service. They don't speak/understand English that well, so don't get disappointed. They prefer you to let them know when you're ready to order.
I'm tossed between the Noodle Pot restaurant & this place for the spicy beef stew. The flavorings are really different. One feels like its has more flavor (Noodle pot) but I get so thirsty afterwards. This Yi Mei feels like it can add a little bit more seasoning but the portion size & noodles are more than the Noodle pot. Btw, Noodle Pot only takes CASH but Yi Mei accepts credit cards. They're both Good but I wish they taste more like Monterey Park. I switch off between them depending which one is the closes at that moment.