Welcome to Wglass, a leading manufacturer and supplier of innovative switchable privacy smart glass and smart PDLC film products.We offer extensive options for switchable smart privacy glass and smart film to make our environment comfortable, secure, private, and energy-efficient all over the world.

YUEN FON is committed to the Development,Manufacture,​Marketing and Sale of Smart Window Film and Smart Glass of top-notch quality at competitive price. We value the interests and business needs from our clienteles at the highest level.

We OYPDLC Team (Zhiyuan Building Materials Co., Limited) has been focusing on R&D Switchable PDLC(polymer dispersed liquid crystal) film and glass technology. Our main products: self-adhesive smart film, lamination smart film and swithcable smart glass.