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DESCRIPTION OF BUSINESS (Tables)
 12 Months Ended
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Direct or Indirect Interests of Subsidiaries
The Company has direct or indirect interests in the following subsidiaries:
Place and date of
incorporation		Principal ActivitiesEffective interest held as at
December 31,
Name of subsidiaries20252024
ACM Research (Shanghai), Inc. ("ACM Shanghai")Mainland China, May 2005Principal operating subsidiary74.6 %81.5 %
ACM Research (Wuxi), Inc. ("ACM Wuxi")Mainland China, July 2011Sales and services74.6 %81.5 %
CleanChip Technologies Limited ("CleanChip")Hong Kong, June 2017Trading partner between ACM Shanghai and its customers74.6 %81.5 %
ACM Research Korea CO., LTD. ("ACM Korea")Republic of Korea ("South Korea"), December 2017Sales, marketing, R&D, production74.6 %81.5 %
ACM Research (Lingang), Inc. ("ACM Lingang") (1) Mainland China, March 2019Management of production activities74.6 %81.5 %
ACM Research (CA), Inc. ("ACM California")USA, April 2019Procurement for ACM Shanghai74.6 %81.5 %
ACM Research (Cayman), Inc.Cayman Islands, April 2019Administrative function (inactive)100.0 %100.0 %
ACM Research (Singapore) PTE. Ltd. ("ACM Singapore")Singapore, August 2021Sales, marketing, business development100.0 %100.0 %
ACM Research (Beijing), Inc. ("ACM Beijing")
Mainland China, February 2022
Sales and services74.6 %81.5 %
Hanguk ACM CO., LTDSouth Korea, March 2022Sales, services, business development100.0 %100.0 %
Yusheng Micro Semiconductor (Shanghai) Co., Ltd.Mainland China, June 2023Business development74.6 %81.5 %
ACM-Wooil Microelectronics (Shanghai) Co., Ltd.Mainland China, June 2023Component development and production54.5 %59.0 %
ACM Research (Chengdu), Inc. ("ACM Chengdu")Mainland China, December 2024Sales and services74.6 %81.5 %
Shengyi Micro Semiconductor (Shanghai) Co., Ltd.Mainland China, December 2024Business development63.4 %69.3 %
(1) ACM Research (Lingang) Inc. is the English name referred to by its Chinese language name, Shengwei Research (Shanghai), Inc., or ACM Shengwei in prior filings. ACM Research (Lingang), Inc. and Shengwei Research (Shanghai), Inc. refer to the same entity.