... of such panel is aluminum alloy sheet, while the central layer is the honeycomb structure made of aluminum foil. ... heater, flat music box, shielding screen, air purification screen, central air-conditioning ventilation screen, water purification screen.3. Machine: ... partition fence for flower, ceiling light.6. Sports ware: hockey cue, scooters, sneakers.Honeycomb Board Core:The aluminum honeycomb core ...