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DAEDUCK ELECTRONICS Co., Ltd.
Daeduck Electronics makes the printed circuit boards and chip substrates that sit inside smartphones, computers, cars, and network gear.
Daeduck Electronics makes the flat, layered boards that let electronic parts talk to each other. Almost every gadget you own has one inside: a printed circuit board, or PCB, is the greenish slab that holds chips, wires them together, and carries the tiny electrical signals between them.
The company does two main things. It makes regular PCBs for smartphones, network equipment, and cars. It also makes something harder: IC substrates, the high-end boards that sit directly under a bare semiconductor chip. These substrates are the bridge between a chip's microscopic pins and the larger circuit board around it, so they have to be incredibly precise. Chipmakers and electronics manufacturers buy them because a bad board means a dead device, and Daeduck has spent decades earning a reputation for getting this right. The headquarters are in South Korea, which matters here. The country is home to some of the world's biggest electronics and chip companies, so Daeduck grew up close to its customers and its rivals at the same time. Competition in PCBs is fierce, especially from Chinese manufacturers who can often make basic boards more cheaply. Daeduck's answer is to lean toward the harder stuff — advanced substrates and boards for demanding uses like cars and networking — where precision and reliability matter more than the lowest price.
The business rises and falls with the electronics cycle. When phone and chip demand is strong, board makers get busy; when inventories pile up, orders slow fast. Daeduck's bet is that the world keeps needing smaller, denser, more powerful electronics, and someone has to build the humble boards underneath it all.
Saved answer · last researched 12 Nov 2026