No pig bones. The competition in the catering industry is fierce, and brands with more than 40 years are rare. Mr. Li, the king of beef noodles, has been cooking for 40 years, and he must have something extraordinary. Beef noodles, beef. According to the relevant person in charge, Mr. Li's royal beef comes from four famous beef varieties in the world. He insists on choosing beef cattle with a meat age of 30 months, and only selects three golden parts of beef brisket, beef tendon and tripe for stewing. This is teacher Li's practice of the concept of only eating a good meal for customers.