... (Germany) This is a kind of flat-bed die cutting machine with high precision, whose material-going is controlled by servo ... . Dustproof materials: cosmetic cotton, camera cotton, high-density sponge, filtering sponge, dust net and non-woven fabric.3. Shock absorbing ... paper, aluminum foil, copper foil, PVC, PET, brown paper, sponge sheath, and pearl cotton sheath.5. Heat insulation materials: silicone ...