What type of
aluminum plate does the traffic sign use? 1100?The
aluminum alloy sheet of grade 3003 should be adopted in the road with higher technical level,The large sign board or the sign board of the coastal windy area should adopt the
aluminum alloy sheet of grade 3004 or 3104.Formulated according to unused specifications and design requirements. May refer to the road traffic sign and the marking establishment standard execution.Model is not important, can meet the standard requirements on the line!Other related question