... SURFACE TREATMENT: 1.MILL FINISH 2.ANODIZING 3.SANDING BLASTING 4.POWDER COATING 5.ELECTROPHORESIS 6.WOODEN GRAIN 7.THERMAL BREAK ... tonsMINIUM QUANTITY: 1 TONPACKING:HEATED SHRINK FILM OR Wrapping paperFOB PORT: SHANGHAIPAYMENT WAY:T/T or L/CTEMPER: T5,T6,etc ... ,6061,6060,6082,7075,etc.QUALITY STANDARD:GB/T 5237.4-2004.... Aluminum Sections of GB5237 ...