... :1, Standard size : 1,220 x 2,440mm.2,Total panel thickness: 3, 4, 5, 6mm.3, Aluminum skin thickness: ... KomCompany Name :Linyi Dinglida Building Material Co.,Ltd..Mobil Phone:86 15965793051 Tel/Fax:86 539 8561595 ADD.:High & New Tech Development Zone ,Linyi ... City,Shandong Province,China. aluminum composite panel