2351 · OSAT & Substrates · Lead Frames / Precision Stamping · TWSE · par NT$ 10
Diversified precision-metal house with two segments: semiconductor + LED lead frames (primary feedstock for lead-frame OSATs) and a sizeable stationery/hardware-fittings business (staplers, cutter blades, correction tape, pencil sharpeners) under the SDI consumer brand.