... used in Doors & Windows series, Curtain Wall. 2.Competitive price 3.Excellent quality 1)Quality guaranteed and Good price2) Widely ... Mainland) Grade: 6000 Series Temper: T5Application: general industrial ,Windows&Doors,curtain wall use Shape: all shape Alloy Or ... ,drilling,milling,bending,welding,CNC etc.Application: doors&windows,heatsink,motor casing,auto parts,building material,etc.Certification ...