1.Products using non-woven fabric are made from raw materials dissolved spraying and ultrasonic heat, spot welding, or sewing on a belt and other technology.
2. Earhook. Nose clip design, so that the face is more fitting for a variety of faces, no particles ultrasonic sealing edge, comfortable to wear. It can be better to stop dust and microorganisms worn long, not tight, no allergic reaction;
3. with smooth fabric to reduce fiber care, disposable, maintenance-free, convenient and practical, more safety and health.