... ISO, SGSCondition: NewTrademark: OEMOrigin: Shenzhen, ChinaProduct DescriptionReliable and stable quality with more than 8 years pcb manufacturing ... ° 60°Surface finishHAL, HASL Lead Free, Immersion gold, Gold plating, Gold finger, immersion silver, immersion Tin, OSP, Carbon ... vias, Impedance control, via plug, BGA soldering and gold fingerRecommendations:PCB Prototype Assembly Factory in China, PCBA& ...