1. Nut Grading machine. Before shelling, this machine is mainly used to separate the different sizes of apricot kernel, hazelnut, almond, different nuts, beans, etc. into three levels or more for convenient storage.It is composed of one, two and three class vibrating screen, which can do shelling work at the same time. and the sieve holes of live sieve are 6---10 mm, and the size of