There are two models of Refined Cottonseed Protein. For the model CG50080, its fineness is 80 mesh, protein content is ≥50%, moisture content is ≤8%, ash content is ≤8%, and free gossypol content is ≤0.06%. For the model CG55080, the fineness is 80 mesh, protein content is ≥55%, moisture content is ≤8%, ash content is ≤8%, and free gossypol content is ≤0.06%.