indoor led display screen 6 mm pitch: 1) High quality 2) CE,ROHS,C-TICK,ISO,CCC 3) Bulk production 4) Quick delivery indoor led display screen 6 mm pitch: Pixel pitch:4mm,5mm,6mm,7.62mm,8mm,10mm,16mm... Application :billboard,concerts and and stage, events,stadium,advertising ,train station,shopping center,meeting screen ,airport ,mall... indoor led display screen 6 mm pitch