... built-in computer chips, multi-channel ultrasonic protection system to ensure the safe and stable operation of the host;2. Super power ... materialsAll kinds of chemical fiber cloth, all kinds of leather, non-woven fabrics, spray adhesive cotton, thermoplastic thin films, chemical pieces ... , pillowcase, bedding bag, tents, raincoat, disposable surgical garment cap, non-woven mask, nonwoven, etc