... given time.The 11th Wenzhou International Optics Fair,China10 - 12th July 2013 Wenzhou Int’l Exhibtion and Convention CenterHost: Wenzhou Municipal ... (Wenzhou) Int'l Optics Fair, China, held on 10-12, July 2013 at Wenzhou Int'l Convention and Exhibition Center.2013WOF ... forward to the approach of optics feast on 10-12 July 2012. photochromic lens