First, it depends on what kind of food you cook. If it is a hot pot string, go to Chengdu to investigate. It is the birthplace of hot pot strings. You can choose to join, buy the bottom material directly and learn the frying technology. Some of my students are other people's brands that they joined before, and later they came to us to learn technology themselves. It depends on whether you are willing to suffer.
Second, to join a restaurant, you must visit a big company. Small companies will join before you know it. Once they signed the contract, they couldn't keep up, which was very troublesome.