... on the surface to resist acid and alkali and prevent aging4. Minimal maintenance cost and pure,saturated color, no Flickering, ... ,step lighting light boxes 4.Merchandising,exhibition stands, and panels.Company advantages1. Professional led manufacturer both on ... ISO9001:2008, ISO14001:2004, ISO10012 management system4. On time delivery and prompt response to buyers’ enquiry5. Professional support on ...