Panda Express is a fast casual restaurant chain serving American Chinese cuisine. It operates mainly inside the United States, in casinos, shopping malls, supermarkets, airports, train stations, theme parks, stadiums, college campuses. It is the largest chain of Chinese fast food restaurants in the United States. Panda Express has 1279 restaurants covering 37 states and Puerto Rico.There used to be Panda Express locations in Japan. The chain offers a wide variety of food such as Orange Chicken, Beijing Beef, Mandarin Chicken, and Kung Pao Chicken. Combo meals are served with fried rice, steamed rice, chow mein, or mixed vegetables. No MSG is added to any of the items at Panda Express after it has been delivered to the restaurant, nor does Panda Express purchase from any suppliers who add MSG prior to delivery.