1. Adopt rotary drum with low friction, improve grading efficiency.
2. Equipped with conveyor belt for different size shrimp, application widely.
3. Twice hoist. Improve the evenness of distribution, enhance accuracy rating.
4. Double cleaning equipment in hoist place and enter place, enhance cleaning effect.
5. Use Mico-computer control system, improve the grading efficiency.
6. Stainless steel with good quality.