DC power Jack for hp laptop 1.Original new 2.Fast ... & after sale service DC power jack / socket for HP laptopContact resistance: ≤0.03Ω Insulation resistance: ≥100MΩ ... kinds of laptop parts. We deal with laptop adapter, laptop keyboard, laptop drive, HDD cover and other laptop parts and ... we have four OEM factories,which provides laptop adapter ,keyboards, LCD, laptop drive and cases. We are always ...