... 15 years, ISO9001:2008 4mm PVDF Exterior Wall Aluminum Cladding : LEINA aluminum composite panel is produced advanced technology. ... GB/T17748-1999 standards. 5. Product features of aluminum composite panel:1) Excellent weather resistance and fire ... ;6) Environmental protection. 6. Application of Aluminum Cladding:advertising board, Curtain Wall decoration, signboards, like commercial centre, offices ...