... 4 certificate: ISO9001 5 usage:interlining for PU,PVC,leather Production process for interlining for Synthetic leather and PU, PVC products. A. ... → →preweting→water punching→afterfinish→drying→winding Production process for hygienical products and cleaning wiper. B. raw material→ ... to visit our factory in Hangzhou,near airport.For more,pls send mail to me.ShirleyRegards leather ptotact spun lace ...