The Little-Known Chinese Company Powering NVIDIA's Most Advanced AI Servers

WUS Printed Circuit, a Kunshan-based Chinese PCB maker, is reportedly the sole large-scale supplier of a critical 78-layer backplane for NVIDIA’s GB300 AI servers.

The company has benefited from surging AI server demand, with Q1 2026 revenue up 53% year over year and net profit up 62.9%.

WUS posted 2025 revenue of 18.945 billion yuan, underscoring the rapid growth of high-end PCB demand in the AI hardware boom.

The case highlights how NVIDIA’s advanced AI servers depend on specialized global suppliers for semiconductor-grade components.