Sheet metal bulletin boards 1) High quality 2) Competitive price 3) Small/OEM order accepted 4) Comfortable service Sheet metal bulletin boards,billboard frame,metal shelf/frame Product Details Item nameSheet metal bulletin boardsMaterialSteel, stainless steel, hot plate etc.Making processLaser cutting, CNC Punching, CNC Bending,Tig Welding , Assembling, etc.Surface treatmentHot galvanized, ...