Available in MP3 shell, MP4 shell, U disk, DVD panel, IC, all kinds of digital products, mobile phone shell, mobile phone batteries, cell phone buttons (oil/water/metal/vacuum plated), a flashlight shell, lighter, watch case, hand chain, frames, tool (melee/fruit knife/cutter), drill bit, auto parts, gold and silver ornaments, pendants, earrings/ring), craft gifts, pen deep carved mold (positive and negative word/concave and convex word), tableware (chopsticks/spoons), nameplates, signs, all kinds of electroplating and surface oxidation product, product surface to make a permanent beautiful tag