DAEDUCK Co., Ltd. engages in the manufacture and sale of printed circuit boards (PCB). Its products include PCBs for memory, smart phones, electronic devices, and others. It operates through the PCB and RF business divisions. The PCB division produces printed circuit boards. The RF division manufactures SAW filters, Duplexers, and GLM modules. The company was founded on August 11, 1972 and is headquartered in Ansan-si, South Korea.