The CS150/300-2 MODEL Vibration Grader is our new vibration grader which is company developed independently, it is mainly used to sizing the different sizes of seeds, kernels, nuts, beans, etc. There is two layers of screen for processing by reciprocating movement of eccentric swing, to achieve cleaning and grading automatically for different type of screen through elastic ball. Materials are processed along sieving deck which has multi-layers, then are graded to different levels by size, while oversized and under sized impurities get removed. Customized sieve of mesh and building materials that make the vibration grader has wide range of applications and high grading efficiency. The product is installed behind the color sorting machine for a final quality control, or in front of the seeds shelling machine for pre-cleaning. An optimal design, efficient grading operation and compact structure makes it an ideal grading equipment.