... 5.OEM orders welcomed aluminum 6063 extrusion high quality LED heat sink LD001Size: W49* H26mm Finishing machining: turning, tapping, ... ,A1050 etc ( or according to your request) 2.Heat treatment:T5,T6 etc. 3.Processing:Extrution,cutting,CNC(Milling), ... Anodizing. 4.Surface treatment: including cutting, milling, turning, drilling, tapping, stamping and ...