Complex sentence: In Hong Kong, although McDonald's and KFC are quite popular, 3 major local fast food chains provide Hong Kong Chinese style fast food, namely Café de Coral, Fairwood Fast Food, and Maxim MX.
Split into simpler sentences: In Hong Kong, although McDonald's and KFC are quite popular, there are 3 major local fast food chains providing Hong Kong Chinese style fast food. These 3 major chains are Café de Coral, Fairwood Fast Food, and Maxim MX.