 Posted: Mon 3:00, 18 Apr 2011 Post subject: to ensure the quality of LED solid crystal display |
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| Los Angeles neon signs
neon signs wholesale substrate, because it used to be a rough hand,business signs is not possible even on the surface coated with a layer of silicon dioxide protective layer during etching, the thin covering of silicon dioxide will be the first area to be etched sapphire substrate, thereby roughening the surface of the formation. |
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