Secure US NAND supply: SK hynix delays US fab until China export approvals are granted

SK hynix is reportedly tying its commitment to build a new 3D NAND manufacturing facility in the United States to US government approval for exporting semiconductor equipment to its plant in China. According to Reuters, the company wants the US to authorize additional tool shipments to its Dalian facility as a condition for establishing new production capacity on American soil. This move addresses a gap in US domestic manufacturing, as no company has produced NAND flash memory in the US for years.

In plain English

The core issue involves a trade-off between domestic manufacturing investment and international supply chain access. SK hynix, through its subsidiary Solidigm, operates a critical facility in Dalian, China. This plant produces specific high-density memory chips used in data centers for artificial intelligence and enterprise applications. The company relies on manufacturing equipment from major US suppliers like Applied Materials, KLA, and Lam Research. Because these tools originate in the US, their export to China requires government licensing.

The background

The Dalian facility is currently the only place in the world producing 192-layer floating gate 3D NAND for Solidigm’s data center-grade solid state drives. These drives serve hyperscale data centers and AI infrastructure. While US authorities often authorize shipments of maintenance tools to foreign facilities operated by multinationals like SK hynix or Samsung, they generally restrict expansions or new technology introductions in China. The US Commerce Department granted a limited authorization for equipment deliveries to Dalian for 2026 last December. However, no similar authorization has been issued for 2027.

What changes now

SK hynix is proposing to build a new 3D NAND facility in the United States to persuade the US government to approve the necessary tool shipments to Dalian. This proposal aligns with the Trump administration’s efforts to repatriate semiconductor manufacturing. Solidigm specifically wants to install additional manufacturing equipment in unused portions of its Dalian Mod B facility, which was completed in 2023. The US government has yet to authorize these specific shipments.

Key terms explained

Export controls are government restrictions on sending technology or equipment abroad. In this context, US rules limit which semiconductor manufacturing tools can be shipped to China. Teams usually track these rules to ensure their supply chains remain compliant. Check whether your hardware suppliers rely on restricted components. Understand that licensing requirements can change, potentially affecting equipment availability for maintenance or expansion. Monitor official government announcements for updates on authorized shipments to foreign facilities operated by multinational corporations.

Background: Supply chain attacks

Supply chain attacks compromise your systems indirectly. An adversary infiltrates a trusted vendor or software update. When you install that legitimate-looking update, the malware executes inside your network. This method bypasses perimeter defenses because the code carries a valid digital signature from a reputable source.

Read the full guide: What Is Supply Chain Attacks: How Indirect Compromise Works

What to do and how to stay safe: SK hynix

• Monitor official government announcements regarding semiconductor export licensing changes that could affect global supply chains.
• Review your hardware supply chain to identify dependencies on specific memory manufacturers or single-source facilities.
• Evaluate the potential impact of manufacturing delays on your data center infrastructure planning and procurement timelines.
• Consult with legal or compliance teams to understand how shifting export controls might influence vendor commitments and delivery schedules.

General security guidance from the Vector Update newsroom. It is not confirmed advice from the organisations named in this story.

Frequently asked questions

What is SK hynix demanding in exchange for building a US fab?

SK hynix is reportedly asking the US government to authorize additional semiconductor manufacturing equipment shipments to its Dalian facility in China.

Why is the Dalian facility important?

It is the world's only facility producing 192-layer floating gate 3D NAND for Solidigm's data center-grade SSDs used in AI and enterprise systems.

Has the US government approved the equipment exports?

The US Commerce Department granted limited authorization for 2026 but has not issued an authorization for 2027, and has not yet approved the specific additional tools requested.