Products: 2-20layers PCB:
Surface finished: RoHS HAL, Immersion Tin/Ag/Gold, electroless nickel, Gold finger, OSP, carbon…
Material: CEM3, FR2, FR4, FR5, Aluminum, high frequency PCB…
Special techniques: Impedance, depth hole/slots, bellmouth orifice (depth hole with different angle), Resistance carbon, Buried/Blind via board…