... -with conditioner -CE,SGS,ISO9001 I. Introduction1. Raw materials will be pressed :The agricultural straw, grain, sorghum, maize, bean ... density. (2).materials with steam will be easily soft and easily pressed. It will be helpful to reduce mould friction, enlarge its lifetime ... materials contain much protein and glucose, easily to press, there is no need to press pellets with steam. It mostly depends ...