... good 2.hardness high 3, stable performance Iron wire straightening machinePerformance characteristics:Iron wire, steel wire, stainless steel wire ... speed, the send wire speed can adjust freeHave production set automatic stop, abnormal fault automatic stop etc functions. ... is goodThe key part cast device, use nodular cast iron (QT600-3), while the others cast device use grey cast iron(HT200) and through ...