AXT-Backed Tongmei Equity Offering Targets Up to $545 Million

What happened

Tongmei and AXT agreed to a share investment by BNK-B3 HK Holdings and other institutional investors of at least RMB 1.912 billion (about $285 million) and up to RMB 3.669 billion (about $545 million), subject to closing conditions.

Confirmed

Global impact / market context

Tongmei plans to use the proceeds to expand indium phosphide substrate manufacturing and support its business. That means more production capacity for a specialized chip material, which could increase future sales volume and revenue if demand holds.

Analyst inference

AXT separately committed the RMB equivalent of $400 million to subscribe for Tongmei shares. The investor-rights and redemption-support agreements add governance and financial protections, which may reassure outside investors but can also shape how much control AXT keeps.

Analyst inference

What to watch

1. The minimum investment closing deadline is Dec 20 2026, subject to possible extension, so the deal depends on closing conditions being met before that date. Confirmed
2. Tongmei intends to use the proceeds to expand indium phosphide substrate manufacturing and fund operations, so watch whether that capacity expansion proceeds after closing. Proposed
3. Certain investor rights apply while investors collectively hold more than 4.5% of Tongmei shares, so watch shareholding changes because they can alter governance protections. Analyst inference

Evidence

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