Features:
1) Smooth and clean inside and outside surface
2) Bright surface
3) Uniform mechanical property,
4) Tight tolerance
5) 110, 120, 150 series available
6) Surface treatment: anodic coloring, electrophoresis, painting, powder
spraying
7) Reasonable structures
8) The frames can be concealed, half-concealed and unconcealed

Inner packing:
Surface adhered with protective film, then filled with corrugated paper