1. Carrying capacity, safety and reliability. 2. Adaptability, easy installation, long life. 3. small size, high speed, be abl Feature1. Carrying ... capacity, safety and reliability.2. Adaptability, easy installation, long life.3. small size, high speed, be able to ensure ... /7/15<131000/5/5.52000/7/113000/7/15 Spiral conveyer