... extruder:a) This machine is available for extruding soybean , corn, soybean meal, intestinal slag, silkworm pupa, urea, etc.b) Be ... Tempering machine adopt stainless steel material manufacturing, so as to ensure the most suitable material for the quenching and tempering ... uses the synchronous frequency control of motor speed control, to ensure the smooth feeding, uniform c) Puffed section adopts ...