... OEM service PCB Assembly Military standard assembly Minimum lead time for assembly is only 3 days Turnkey ... through hole, BGA, QFP, QFN … ROHS compliant and lead-free processPCB ManufactureMaterial: FR4, High TG FR4, Halogen Free ... Color: white, yellow, black, etc.Surface Treatment: HAL, Lead Free HAL, Immersion gold, OSP, Immersion tin, Immersion silver ... .OEM and ODM service are welcome. Red PCBA