... operation, 4.easy maintenance. 35 years professional ores benefication equipments producer;Spiral chute is applicable to material separation ... ; 4)Smaller area;Spiral chutes, spiral concentrator, iron ore concentration plant, concentrator, spiral separator, chute, chute separator, chute ... the iron, stannum, tungsten, tantalum, niobium, gold ore, colliery, monazite, retiles and zircon of the size ...