... diameter drum 1>Technical parameter of straight wire drawing machine(Model:LZ-3/900,parameter marked with yellow ... 9>Advantages of our products:*The straight wire drawing machine series of our company have absorbed pith from ... the production efficiency .*it is applicable to drawing spring steel wires,tyre rib steel wires,steel ... area. LZ-3/900 straight wire drawing machine,3drums,900mm diameter drum