... double side adhesive etc electronic industry, IT film switch and car making industry.2. Dustproof materials: cosmetic cotton, camera ... cotton, high-density sponge, filtering sponge, dust net and non-woven fabric.3. Shock absorbing products: EVA tape, ... foil, copper foil, PVC, PET, brown paper, sponge sheath, and pearl cotton sheath.5. Heat insulation materials: silicone sheet, transparent mica ...