Where can I buy authentic Longchuan beef tendon cakes?

Longchuan laolong beef tendon cake factory. Beef tendon cake has become a food suitable for all ages because of its golden color, softness and delicious taste. This traditional specialty of Dongjiang with a history of more than 300 years has long been famous in the south and the world. The reporter went deep into Longchuan Laolong Beef Tendon Cake Factory to search for the history of this century-old brand.