1, tofu skin production line is very profitable. A production line with a daily output of 5000 kg of tofu skin employs 7 people. The wholesale price of bean curd skin is 3.8 yuan 1 kg, soybean is 3.2 kg, 1 kg beans can produce 1 kg bean curd skin. The net profit can reach more than 4000 a day, and the annual income can reach one million, which is very easy to do.

2. The prospect of soybean hull production industry is very considerable, especially suitable for production.