... structures 1. Material :mainly in 6000 grade ,such as 6063,6061 ,6005etc. other grades up on customers ... T63. finish : 1)mill finish 2)anodizing :such as silver anodizing ,mat anodizing ,gold anodizing,3) powder ... (needed to be provide Panton Color No. ,such as RAL9001) 4)polish 5) sand spray 4.price: ... : different finish different length ,for mill finish ,any length we can make 6..packing :1)each in ...