How many rotis can be produced from one pound of soybeans? Where is the highest yield of roti machine?

pro, according to my knowledge, the pure bean curd is generally a catty of soybeans can produce 5 two or so of the bean curd, otherwise you see bean curd sold so expensive know, the so-called things are rare for the expensive, like bird's nests, production is too high instead of violating the normal law, you say? I prefer to eat bean curd, tofu, bean cakes such as soybean food, often look at the nutritional analysis of soybean food, that Yuanpeng soybean products equipment factory analysis of soybean products nutrition is very comprehensive, I think they are factory of bean curd machine and other machines is also very good, no practical experience, it is difficult to analyze so comprehensive, you also look at it.