HOME ABOUT US Company profile Qualification and honor PRODUCTS PTFE MEMBRANE Medical materials Air filtration membrane Clothing film Electronic film Bubble point film Aerobic composting mulch PTFE COMPOSITE FILM Mask filter material SURGICAL MASK KN95 mask Disposable medical flat mask CIVIL MASK Copper ion inactivated mask Disposable flat mask Hengshi functional mask CE FFP2 MASK NEWS CENTER Publicity video Exhibition information PRODUCT APPLICATION Application of PTFE membrane Application of medical materials Application of air filtration membrane Application of clothing film Application of electronic film Application of bubble point film Application of aerobic composting mulch CONTACT