1. Protective plates on both sides of the aggregate hoppers to avoid sundries getting into the aggregates and conveying belt;
2. To make the supplying smoother, vibrators are equipped below each hopper;
3. Adds grid plate at top of each hopper to buffer the shock from aggregates flow, meanwhile it screens oversize aggregates;
4. Conveying belt is protected by dustproof cover to reduce dust emission;
5. Adds belt cleaners and pinch rollers to make the aggregates supplying more fluent and accurate, besides, they also extend the
belt durability;
6. Small vibrating screen is added between belts, to further screen oversize aggregates;
7. The supplying system has insufficient material alarm system, ensuring a safe and smooth production.