... 2.Own factory,competitive price,OEM service 3.Customized Led letter lights sign specification: 1 MaterialHigh level 304# stainless steel,aluminum, ... ), and Air freight1.CE ,RoHS and ISO9001 certificated LED module use Rishang chips,2.Super high brightness,Light uniformity, ... shipping service is available9. Energy saving: LED module (3 lights per 0.3W ) or LED beads( 0.2W/pcs) 10. Applicable ...