ACM Research, Inc. ACMR

What this company does

ACM Research supplies capital equipment for the global semiconductor industry. Fabricators of chips use its wet-cleaning, plating, furnace, PECVD, track, and other front-end processing equipment in numerous steps to improve product yield. It also develops, manufactures and sells a range of advanced packaging equipment to wafer assembly and packaging customers. Revenue from its single wafer cleaning, Tahoe and semi-critical cleaning equipment totaled $626.0 million, or 69.5% of total revenue, in 2025. Since 2009 it has delivered more than 1,435 tools to customers, more than 1,255 of which were repeat orders or acceptances upon contractual performance obligations having been met. It conducts a substantial majority of its product development, manufacturing, support and services in mainland China, with additional product development and subsystem production in Korea, and substantially all of its tools are built to order at its Lingang development and production center. As of December 31, 2025, the company had 2,513 full-time equivalent employees, of whom 2,357 were located in mainland China and the Taiwan region, 127 in Korea and 29 in the United States. The company has pursued intellectual property protection since its founding in 1998, and as of December 31, 2025 it had been issued more than 594 patents in the United States, mainland China, Japan, Korea, Singapore and Taiwan, including 82 issued patents and 33 patents pending in the United States.

Written from the business description in ACM Research, Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 2 March 2026. Every sentence was checked against that document before publication.