Gold Member Since 2012
Audited Supplier


Variable Message Signs, Vms Boards, LED Display manufacturer / supplier in China, offering N2003 Mobile Trailer Mounted LED Solar Directional Arrow Boards, Vms LED Portable Variable Message Signs Board, Advertisement Trailer Full Color LED Sign, Outdoor Display Electric Road Variable Traffic Electronic Message Open LED Sign Board and so on.

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Supplier Homepage Company Show Certificates Patent Certificate


Patent Certificate [Nov 04,2016]
Patent Certificate
Patent Certificate

OPT has various kinds of patent certificate, our VMS trailers are all produced with very high quality.