Guangzhou Lepond Glass Co., Ltd, based in China, lists Smart glass on Global Trade Plaza. This product is described as smart glass with operation modes of NO (transparent) and OFF (opaque), maximum size of W1200mm*H3500mm, and thickness options of 4mm, 5mm, 6mm, etc. Smart glass uses polymer liquid-crystal optics, where liquid crystals reorient under electrical current to switch between transparent and opaque states, enabling applications such as home windows, store fronts, and bathrooms. Buyers can send an enquiry through Global Trade Plaza.