ACM manufactuer for exterior wall clad made in china composite aluminum panel Alumaster acp 3mm,4mm,5mm ... : aluminium coated with polyester service coatingQuality1)Under common temperatures and radiation, no color different.2)Under natural climate, film ... outside walls of normal buildings.4)In interior wall ,ceiling, kitchen ,and interior decoration.5)Facades and balconies ,shopping malls ,airport, ...