... 0.6mm Solder mask color: green, black, blue, white, yellow, and matt, etc. Solder mask hardness: 6H Legend/Silkscreen ... Color: white, yellow, black, etc. Surface Treatment: HAL, Lead Free HAL ... service(PCB manufacture, components procurement and assembly)Prototype building, No Minimum quantity RequiredReliable PartsSurface mount, through hole, BGA, ...