Promotional foshan customization W50 tinted glass aluminum double glazed bullet proof fixed safety door and window Using Wooden Frame Packaging Packing Steps: Step 1. Put protective tape to protect frames from scratches Step 2. Keep products fixed on pallets Step 3. Tie products on the pallets with plastic belts Step 4. PE films keep windows away from sea water Step 5. Air bags to be filled between each pallet to keep it steadily