product type, company, etc.

1. product type difference: Cao Shi duck neck is a kind of delicious food made of fresh and high-quality duck meat. After curing, baking and other processes, it has a strong sauce flavor and a smooth taste. Cao Shi spicy sauce is a kind of sauce, which is mainly composed of many condiments such as pepper and bean paste.

2. Company difference: Cao Shi duck neck and Cao Shi spicy sauce are two different brands of the same company. Cao Shi duck neck is one of the company's main products, which is popular with its characteristic spicy taste and delicious taste; Cao Shi Spicy Brine is another brand of delicious Shanghai-style brine dishes, which is introduced to the market.