1. Wet shelling 2. By shelling machine improvements on the original, so that more efficient and less shelling nuts crushing rate. 3. Application circulating shelling, shelling grain that is not automatically enter the next cycle shelling; 4. In the collection and processing of leather, sorting substituted by vibrating vacuum blow skin, reducing the dust generated. 5. Increase the sorting screen process and screening area, so sufficiently screened to reduce Jen returns caused by...