Contra Vision Ltd., Cheshire, UK, developer of one-way vision and other see-through graphics, appointed Shanghai, China-based Shanghai Teckwin Development Co. Ltd. as its first Chinese licensee of perforated materials. Teckwin is selling the replacement liner construction for imaging windows of bus wraps, building wraps, and P-O-P advertisements under Contra Vision’s patents in 22 countries. For more information about Teckwin, visit www.teckwin.com. For more information about Contra Vision products, visit www.contravision.com.