yes. Cao Shi is a catering brand registered by Cao Shi Duck Neck Catering Management Co., Ltd. in China. The company is open to join to authorize other merchants to use the brand. It is an infringement and illegal act not to join the brand, and it is necessary to join. Cao Shi Duck Neck is a trademark brand of Chengdu Unity Cao Shi Duck Neck Catering Management Co., Ltd., which belongs to Sichuan-style pot-stewed dishes, and the dishes are spicy and spicy.