EX-21.1 22 axti-20211231xex21d1.htm EX-21.1

Exhibit 21.1

AXT, Inc. Subsidiaries

|  | State or Other Jurisdiction of
Subsidiaries of the registrant* |  | Incorporation
Beijing Tongmei Xtal Technology Co., Ltd. |  | China
Nanjing Jin Mei Gallium Co., Ltd. |  | China
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd. |  | China

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*As of December 31, 2021. Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of other AXT, Inc. subsidiaries are omitted because, considered in the aggregate, they would not constitute a significant subsidiary as of December 31, 2021.