6CrW2Si blade 4cutting edges atos valves main technical data: ... to reduce deformation of the sheet.2-6,upper blade holder has inward tilting structure to facilitate material feed ... , China C, seals , JapanD, main motor,China E, blade, China material 6CrW2Si4,inspect standard: National standard,GB/T 14349 ... from the date of installation and acceptance. QC11Y-10*3200 guillotine shearing machine