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Years ago, most commercial displays were made with LED. But LED got updated too fast, varieties too many, which caused the products unstable, and outdated soon in a few years. Interactive touch display, however, has to be invested heavily at first, and later installed cumbersomely, which makes it hard to be disassembled and replaced. For this reason, manufacturers like TCL, DAHUA, CHANGHONG, SUNTUNE have turned their attention to touch screens.
