Almost all oil crops can be squeezed by an oil press. Including peanuts, soybeans, oil sunflower, rapeseed, walnuts, cottonseed, etc.
Peanut oil and sesame oil in particular are more expensive. There are often fakes and oil spills in the market, which are not good for health, so the on-site processing mode can meet the needs of users who value genuine products. It is the main way of use in urban areas now.