Vanlong Technology Co.,Ltd is a foreign joint venture enterprise, We specialize in producing PDLC film, various touch screens which are widely used in building and construction area, advertises, rear projections and medical facilities. Our company has advanced production equipment with professional and excellent employees, we are able to provide good quality at competitive prices and enjoy high reputation among clients. Our smart PDLC film annual output is about 38,000 square meters per year. In October 2007, our first production line came into usage mainly produce common polymer dispersed liquid crystal film in white color with max width at 1.2 meters. Shortly after that, our company became a best partner for glass producers in building and construction area on China mianland. In 2010, we are doing reserch on IR touch screens and started to produce it. The product quickly became hot material in advertise area. In 2001, we have over 10 distributors in China mainland and set up foreign sales office in Shenzhen city, we greatly improved quality, put us in the high and medium grade markets and laid a solid foundation for our breaking into overseas markets. The products won great attention and favor from foreign enterprises. Shenzhen Vanlong Opto Technology Co., Ltd. is a looking forward to building up a long term business and friendly relationships with clients from all over the world for mutual benefits.