The purpose of this machine to coat the botom of wood and bamboo floor with UV application. this machine is equipped with single roller and two uv lamps. therefore the process of coating and drying can be completed in the same time. with this machine, the bottom of floor can against water seeping in and therefore to against the wood product been out of shape. https://www.kisinhom-uvcoating.com/products/bottom-roller-coater.htmlAll Rights Reserved