automaticpermanent magnetic Lifter: 1.widely used in shipbuilding and engineering machinery industry. 2.automaticly suck or discharge materials. 3.No one operation can be realized. 4.do without electricity,can be replaced electromagnet,more safty in working. 5.using high-performance permanent magnetic materials. the magnetic suction is strong. 6.can single use,can also be a numble of combinations. 7.significantly increase productivity.