Yummy. Ao Lung Chai Hot and Sour Noodle is famous for its unique hot and sour flavor, with just the right balance of sourness and spiciness to bring a unique taste experience. OLZ Hot and Sour Noodles are made with fresh ingredients, such as selected noodles, fresh vegetables and high quality seasonings, to ensure the fresh taste and quality of ingredients. The noodles of Ao Lung Chai Hot & Sour Noodles are usually elastic and chewy, with the taste of the hot and sour soup and other ingredients, giving a rich and varied taste experience.