rotating panel alumium prisma billboard structure

rotating panel alumium prisma billboard structure The surface of a Tri-Vision Billboard is divided into vertical strips. Each strip has three sides which rotate on a timed schedule. Compared to a static board, the changing of the message alone draws more eyes to your advertisement. For Youtube video links, pls visit: https://www.youtube.com/watch?v=ZhtSrX--SOg http://youtu.be/MYmHdt0vlmw Contact : Tina Zhang Mobile: +86 136 6632 7758 Whatsapp: +86 136 6632 7758 Viber: +86 136