*** Polytech Eco KF94 Mask 1. MADE IN KOREA 2. 2D DESIGN 3. 3 LAYER 4. CERTIFICATION : -. ISO 9001 Certification/ -. FDA Certification -. CE Certification 5. All machine is certified by CE. 6. PROFESSIONAL PRODUCTION AND QUALITY CONTROL 7. Patents & License -. Completed Plant Registration -. Completed Droplet Protection TEST -. Certified by Ministry of Food & Drug Safety (KF-AD)