Jusung Engineering Co., Ltd. — AI supply-chain exposure

Jusung Engineering is a Korean deposition specialist focused on ALD and CVD — in particular the high-k dielectric and capacitor films that let DRAM cells hold charge in ever-smaller footprints. It sells primarily to memory makers, with growing reach into logic and display fabs.

Its exposure runs through DRAM: capacitor and high-k deposition are exactly the steps that get harder as memory scales, so its tools sit at a technically demanding node of the process flow. That specialization is its hook — narrow but deep — yet it remains a supplier tied to the memory-capex cycle and a small set of domestic customers, which is why the model keeps it toward the edge of the chain.