please explain your problem in a/m short shipment claim.
The shipment contained two pallets, the first pallet with 16 boxes a 70pcs = 1120pcs, the second one was a mixed pallet with 6 boxes a 70pcs = 420pcs.
Your claim pictures shows the first pallet with two layers a 8 boxes = 16 boxes = 1120pcs, no short shipment.
What about the second pallet? Please check.