... coal, mining, port, metallurgy, power, chemical sectors for long-distance, large amount and high-speed conveying of materials.Structure: The longitudinally ... diameter of the conveyor ST TYPESRubber typeST630ST800ST1000ST1250ST1600ST2000ST2500ST3150ST3500ST4000ST4500ST5000ST5400ST6300Mnimum roller diameter mm50050063080010001000125014001600160016001800 industrial steel cord conveyor belts