... beam material : high quality low mild alloy steel adjustable lifting beam adjustable lifting beam body structure:box beam type, streamline ... divided into double-decked type, C-type, gate-type, multi-wing-type and Double-ply type, C type etc.. ... Beam ->lifting hooks->Adjustable Spreader Beams->Adjustable 4 Point Lifting Beam->Adjustable 2 Point Lifting Beam->Heavy Duty Adjustable Spreader Lifting Beam, ...