Huangchuan Old Taste Hula Soup Catering Management Co., Ltd.: The old taste Hula Soup produced is a slippery broth refined from Shuanghui lean pork and sweet potato powder in pure water. It is a selection of eggs, soy sauce, spices, black pepper, sweet potato vermicelli, day lily, fungus, meatballs, etc. It is handmade by traditional slippery meat technology, and there is no food additive in the whole production process. It must be refrigerated and preserved, which is the only one in China at present.