---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-010034"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2025-03-24T23:59:59+00:00"
generated_at: "2026-05-24T06:42:12.323935+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "medium"
source: SEC EDGAR
---

# ACM Shanghai provides 2024 business update: furnace customers double, Tahoe cleaning gains traction

## Summary
- Furnace equipment customer count grew to 17 at end-2024, up from 9 a year earlier; expects accelerating revenue contribution in 2025.
- Tahoe cleaning equipment reduces sulfuric acid consumption by up to 75%; received repeat orders from a logic manufacturer and verified at a major memory maker.
- Cleaning and plating products hold over 30% market share in China; cleaning solutions cover ~90-95% of process steps from upstream to downstream.
- New 300WPH KrF-line Track equipment expected to be delivered by mid-2025 for verification; confident in localization of high-end Track in China.
- Panel-level horizontal plating equipment won 'Technology Enablement Award' from 3D InCites; capable of processing up to 600x600 mm panels.

## SEC filing metadata
- accession: 0001140361-25-010034
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2025-03-24T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: medium
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000114036125010034/0001140361-25-010034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000114036125010034/ef20046023_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-010034
- JSON: https://secwatch.observer/filing/0001140361-25-010034.json
- Plain text: https://secwatch.observer/filing/0001140361-25-010034.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.