ProMOS Technologies is renowned in the global DRAM industry for its outstanding performance in technology advancement and manufacturing efficiency. The company operates leading-edge 300mm wafer DRAM manufacturing facilities in Central Taiwan Science Park, Taiwan. At the end of 2009, ProMOS and Elpida Memory, Inc. started strategic partnership to cooperate on the manufacturing of mainstream 1Gb DDR3 products in 63 nanometer (nm) process technology. The synergistic relationship combines strengths from both companies; Elpida's 1Gb DDR3 device is among the most cost-competitive product in the industry, pairing well with ProMOS' strength in 300mm manufacturing.ProMOS and Elpida's partnership will continue into the future of 63nm below technology node and the cooperation on the development of mobile DRAM.

In 2008, ProMOS successfully developed a 1Gb DDR2 product using 70nm technology node (shrink version), demonstrating the outstanding achievements in design and development of advanced DRAM products. ProMOS provides complete high-performance and high-density commodity DRAM as well as pseudo-SRAM, low power SDRAM for use in computing, communication and consumer products. The company sells and markets its own-branded products "ProMOS" to worldwide first-tier system houses.