PSMC CO., Ltd is a Korea-based company primarily involved in the manufacture of structural materials for semiconductors. The Company's main product is lead frame, a thin piece of copper alloy strip used as a mounting pad for silicon chips and its internal connections. The lead frames include plastic dual in line packages, plastic leaded chip carriers, small outline integrated circuits, quad flat packs, discrete and transistor outlines, as well as others. It also manufactures and markets tools, pre-molded products, palladium and nickel pre-plated frames (Pd/Ni PPFs), and electronic connectors. The Company changed its name to PSMC CO., Ltd from Poongsan Microtech Corporation on April 5, 2011. On October 15, 2012, the Company sold its entire shares of Tongling Poongsan Sanjia Microtec Co.,Ltd. (China).