Shini "optical" compact dryers combine the function of dehumidifying, drying and two-stage conveying into one single unit, specified for the production of "optical class" products, such as lenses, LCD backlight panel, compact discs etc. They feature honeycomb rotor for dehumidifying, ensuring continuous and constant low dew-point. Under ideal conditions, it can provide lower than -40℃ dew-point dehumidified air.