... the customer's requests3)Applicable industries: plastic production,plastic film, aluminum foil, sub section.4)Materials imported from ... Vacuum Heat Treatment,Germany grinding machine,CNC machine and so on.7)Commodity list: CommodityProjectPlastic Film Cutting KnifeMaterialSKH,SKD etc. ... strictly.The series of knivesmake the incision margin of slitting materials neat,bright, clean,no burr and rough ...