Dear Sir/Madam,

I hope this message finds you well.

This is Steven from JETFGO Circuits Limited, a trusted PCB manufacturer based in China, focusing exclusively on high-end, high-complexity PCB fabrication.

We specialize in producing:

Multilayer PCBs up to 30+ layers

High-frequency / high-speed boards (Rogers, Taconic, Megtron, etc.)

Hybrid stack-ups (mixed HF + FR4)

Blind & buried vias, HDI, back drilling

Heavy copper, high-TG, halogen-free boards

ENEPIG, hard gold, immersion finishes

Metal-core, ceramic, and rigid-flex PCBs

Special features: step depth routing, via-in-pad, castellated holes, half-hole, etc.