The new Showcase done often scrub, because it's also part of the residue of glue around in your regular scrubbing process, these things will disappear, slowly more and will be more light, especially in the surface of the acrylic plate Showcase It is more shining bright. But aluminum plate to do a bit picky showcase it, scrub to pay more attention, because its surface a thin layer of aluminum, it could easily be scratched, especially chassis Showcase, when taking the chassis to pull got me, A few days put the aluminum surface crossed it, so we must be careful when using Showcase. Yantai Showcase 4.29 more information, please visit www.zmzhangui.com