... 10um 12Soldermask Green,Yellow,Black,Blue,White,Red,transparent photosensitive,,soldermask,Strippable soldermask13Minimum linewidth of Idents4mil14Min Height ... Buried Vias and High Thickness copperwe are a professinoal PCB/PCBA manufacturer with ISO9001;2000 approval,ISO14001:2004 and ... the UL approval.we provide PCB layout,PCB design,PCB fabricaton,PCBA,PCB assembly,FPC,rigid board,flex board, ...