... 1.This machine using of welding-steel structure,mechanical drive,.has good strength and riidity,can be used to ... steel,square steel,channel steel,lbeam,anglensteel as punching and notching. The chart below is some basic informaton ... shearing machine ,rolling machine ,press brake ,punching maching ironworker,knife mold and other products ,specializing in aviation,light industry ,metallurgy,construction ...