DAEDUCK is the First company in Korea that have manufactured printed circuit board.Daeduck is specialized for printed circuit board for semiconductor such as CSP,fcCSP,BOC.DAEDUCK has the best technology for producing ultra-thin package substrate including coreless and automation.Daeduck can handle substrate under 0.04 mm core thickness automatically and result in good quality.DAEDUCK also has a the best lead time delivery system and took a many award for best delivery system from customers.