Aluminum Single-side Immersion gold PCB with White soldermas

Minimum Solder Mask Clearance: 0.05mm
Solder Mask Type/Silkscreen Ink: LPI(green, white, black ,red ,etc)
Outline profile: punching, routing, punch and push back
Au thickness: 0.0762um-0.762um(Hard Au); 0.0254um-0.127um(Soft Au);
Ni thickness: 2.032-7.362um
http://www.zitrok-pcb.com
Aluminum Single-side Immersion gold PCB with White soldermas