... light About US:1: DSSY specialized in LED Writing Boards, Advertising Products& Electrooptical Products 2: Development based on quality assurance, ... Samsung, P&G, CMCC, Midea etc. High Brightness Acrylic Advertising LED Board Features1.Stylish Design: High-grade aluminum frame with ... frame and other materials all can recycle Usage1. For advertising to promote new items or reduction sales at shops, ...