... station, ports, mining industry, metallurgy machinery, coal mine and material handling industry.1 physics mechanical performance datas: Performance ... rank of overburdenDraw intensity ≥Break extending rate ≥Wearing and tear amount ≤MPaKgf/cm2%cm3/1.6kmHeavy-dutyH181804000.7Ordinary ... Vertical draw intensity that bring less than as follows markedding and weighed and worth 100, 125, 160, 200, 250, 315, ...