... Design,quick sample 4)Various Size Smart Dimming Ballast T5 power Shell/ Housing/ Case/ CasingSpecification:Material: Alluminum Alloy: 1x,2x, 3x, 4x ... , Tapping, Shearing, Insulation, Platic forming, HydroformingApplication: Aluminum extruded profile/ Aluminum Power Supply Shell, Housing, Case, Casing use for the cover of Switching ...