Model YZ/XZ32-2 screw oil press is the biggest national continuous pre-press and one-tme pressing equipment and suitable for the oil plant to process the seeds containing more oil such as peanut kernels, cottonseed kernels, safflower seed and sunflower kernels. Such equipment has the following advantage: High processing ability; Low power consumption; Low operation expense, defatted cake being loose but not crushed, is helpful to sovent penetration; Low esidual oil rate. The press is the ideal oil press equipment both for large size and middle size oil plant.