... ISO9001:2000 ,3C,CE,FCC,ROHS,LVD ...certifications . MHG PH10 Single Color LED Display1.Measured by the China ETA Quality Inspection ... , sports,finances, post offices, telecom, commerce, hospitals, sports stadiums,airports and railwaysand other public places until now. Specifications: Pixel pitch10mmPhysical density10000 ...