... player,television,calculators,GPS electronics,DVD/VCD player and etc.5.Telecommunications: micro phone, speaker, monitor case,computer and etc ... , H90 etc.4.Copper:C11000,C12000,C12000 C36000 etc.5.Aluminum:AL6061,Al6063,AL6082,AL7075,AL5052,A380 etc.6.Iron ... plating,Plating gold (ABS),blacking painting3.Passivating Oxide 4.Sand blasting Anodized 5.Nickel plating 6.Chemical Film7.Laser carving,laser ...