... 4) NCT, NC bending, punching 5) Powder coating 1. Material: aluminum, stainless steel, SPCC, SPHC, SECC, SPHC, SZACC, SGCC etc.2 ... : Degreasing, Pickling, Phosphoric, powder coating etc.4. Color: Grey, Black, White or as your request.5. Structure: 9-Curved model steel ... frame to suit your pictures, why not choose a pure aluminum frame to satisfied your vanity