Big Mac, beef burger with fresh vegetables, roast chicken leg burger (original, spicy and fruity), corn salad, drinks and so on are not fried. The sauce is generally provided by Weikemei Company (it is written on the ketchup package).
Breakfast is basically not fried except potato cakes: pork and egg hamburgers, bacon, eggs and wheat, pork, eggs and wheat, hot sweet cakes and so on.