On August 11, SK hynix rose 3.11% in regular trading, trading at $139.41/share, with turnover of $347 million. The stock rallied on news that SK hynix has restarted construction of its second NAND flash factory in Dalian, China, targeting approximately 50% local capacity expansion.

According to reports, SK hynix's NAND subsidiary Solidigm is driving the investment. The new production line is designed for approximately 50,000 wafers per month, which combined with the existing 100,000-wafer monthly capacity at the first Dalian plant, will bring total China NAND output to roughly 150,000 wafers per month. Equipment installation is scheduled to begin as early as November, with mass production targeted for the first half of next year. The factory was originally started four years ago but was suspended due to a memory market downturn and U.S. equipment export restrictions.

The restart is driven by surging enterprise SSD demand from AI data center expansion, with NAND prices reportedly up nearly tenfold from a year ago. SK hynix is pursuing a dual-track strategy: producing mature lower-layer NAND chips in Dalian while focusing on advanced 300+ layer NAND at domestic Korean facilities.

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