... -high precision -hot price punchdie-the pierce punches,punch die,pierce die inserts for fin die,-produced by Dalian Guoyu Precision Machinery Co.,Ltd ... , HASCO, MISUMI, PUNCH, SANKYO, DAYTONProcessed andTesting EquipmentsCenterless grinder, surface grinder,internal grinder,Cylindrical grinder,Inner-aperture grinder, CNC grinding machine,CNC milling machine ...