What is the beef tendon of Yanzi Baiwei chicken?

Beef. Yanzi Baiwei Chicken is a chain brand of braised dishes. Originated in Sichuan, focusing on the production and sales of braised cooked food. Beef is the beef tendon in Yanzi Baiwei chicken, and there are many franchise chain stores all over the country. Yanzi Group is a national franchise chain cooked food enterprise. It originated in Sichuan in the late 1980s, developed in Jiangsu and grew up in the whole country. Now it is headquartered in Shanghai Minhang Xinzhuang Industrial Park.