Steel Slab Mechanical lifting clamp 1.Simple and reasonable structure,dexterity of action 2.No need to provide any power supp Steel Slab Billet Clamp 1.This clamp use lever principle,simple and reasonable structure, dexterity of action,shipments relisble safty. 2.No need to provide any power supply by self-respect lock,open shut is positioning,automatic experiment clamp mounth open and close the ...