Our main business: a) ePTFE membraneb) Filter media with PTFE membranec) Filter bags d) PTFE fiber: sewing thread, staple fiber, scrim and PTFE yarne) PTFE gasketShanghai LingQiao E.P.E.W. Co., Ltd is a leading manufacturer of PTFE membrane filter media and filter bags, PTFE weaving yarns, PTFE staple fibers, PTFE scrims and PTFE sewing thread. Our PTFE membrane filter media have been tested by Environmental Testing Service of Roanoke, VA and the results compare favorably with those from other leading manufacturers. Our PTFE membrane filter bags have been installed successfully around the world in bag houses at cement kilns, incinerators, boilers, etc. Our PTFE yarns and fibers are being exported on a global basis. We look forward to working closely with you to service your PTFE membrane filter media and PTFE fiber requirements.