Trailer Tool Box : 1.material:steel,SS,aluminium; 2.30 years experience; 3.Laser /CNC machines; 4.Best service. Trailer Tool Box :1. ... size: Optinal ;2. box size: 300mm height or customer's height;3 ... :Sheet metal fabrication,metal processing Material:Steel, stainless steel, aluminum, brass etc. Making process:Laser cutting,CNC Punching,CNC ...