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Aluminum alloy Full HD Android Interactive Digital Signage 46 inch LCD Video Wall​ 46 inch LCD interactive digital signage Product Description Shenzhen Sumward Technology Co.,Ltd is one of the best brand supplier of commercial LCD & Solutions. We have an experienced and professional R&D team and responsible selling and after sale team. We have strict purchase and delivery standard to ensure all our products are of high quality. Our product can be devided into: CCTV LCD