P4 is Samsung Electronics' advanced semiconductor fab, consisting of a total of four phases. It includes a hybrid line, ph1, for mass production of NAND and DRAM, and a DRAM mass production line, ph3. Currently, DRAM equipment investment is actively underway in ph4. The High-Tech CM Business Office leverages its experience in building semiconductor and display manufacturing facilities (FAB) to provide differentiated engineering capabilities and optimized quality management services through an organization composed of experts in various fields.