Just talk to him directly about learning technology. Don't talk about franchising. Franchising is a common method used by businesses. No matter what you learn, as long as you call it franchising, you have to pay more, but what you learn is still the same.
Things, and for you, what you need is the technology that you can really use. The final road still has to be walked by yourself. The result depends on how you operate it. Whether it is successful or not depends on the technology you join.
It doesn't matter if it's purely a technique of learning.
Liangpi is a pure starch food. It is made from the starch in wheat flour. If you look at the flour from the perspective of Liangpi, the flour is composed of gluten and starch. Therefore, to make Liangpi, you must first separate the gluten and starch.
Although Liangpi is made of starch, not just any kind of starch can be used to make Liangpi. There are many types of starches with different properties and uses. For example, pea starch is most suitable for making jelly, and sweet potato starch is most suitable for making vermicelli.
Etc. The best Liangpi is made with wheat starch. No other starch can produce the soft, translucent, smooth texture of Liangpi.
How to make Liangpi? My mouth space has a video of making handmade Liangpi, an introduction to the structure of the Liangpi stove, and actual pictures of Liangpi making tools, etc. You can check it out.