... :aluminum alloy such as 60004) Various in size, style (aluminum profile , rods, angles, square bars , "T" profiles, and " ... Mainland) Grade: 6000 Series Temper: T5Application: general industrial ,Windows&Doors,curtain wall use Shape: all shape Alloy Or Not ... punching,drilling,milling,bending,welding,CNC etc.Application: doors&windows,heatsink,motor casing,auto parts,building material,etc.Certification: ...