DEEP RESEARCH · KC TECH
[KC Tech] Stock Addition and Business Analysis
A review of the 4Q24 earnings surprise, CMP equipment and slurry, and the glass-substrate option
0. Bottom line first
This is not a buy or sell recommendation; I only put in a very small scout position. The core idea is that KC Tech is a representative Korean localization player in semiconductor processes, handling both CMP equipment and CMP slurry, with optionality in next-generation processes such as glass substrates, HBM, and EUV.
1. Earnings analysis
Official fact: In the original post, KC Tech's 4Q24 revenue was KRW 144.9 billion, up 103% year over year, and operating profit was KRW 25.4 billion, up 134%. Operating margin was 18%, up 3.0 percentage points year over year, and net income surged 311% to KRW 26.4 billion.
| Metric | 4Q24 | Change / feature |
|---|---|---|
| Revenue | KRW 144.9bn | +103% YoY, +88% QoQ |
| Operating profit | KRW 25.4bn | +134% YoY, +182% QoQ |
| Operating margin | 18% | +3.0%p YoY |
| Net income | KRW 26.4bn | +311% YoY |
Interpretation: Expanded semiconductor equipment investment by major customers appears to be the key driver. Revenue growth outpaced costs, creating strong operating leverage, and one-off SG&A positives also helped profitability.
2. Annual earnings trend
| Year | Revenue | Operating profit | Operating margin | Read-through |
|---|---|---|---|---|
| 2022 | KRW 378.2bn | KRW 60.3bn | 15.9% | Growth versus 2021 |
| 2023 | KRW 286.9bn | KRW 32.7bn | 11.4% | Correction amid weak semiconductor cycle |
| 2024 preliminary | KRW 385.4bn | KRW 49.8bn | About 12.9% | Revenue +34.3%, operating profit +52.2%, net income KRW 52.7bn and +66% |
After the 2023 trough, revenue and profit recovered in 2024 toward record-high levels. The original post contains the phrase “20214% level” for recent revenue CAGR, which appears to be a typo, so I do not interpret that number. Still, a debt ratio in the 10% range and continued profitability are positive for investment capacity.
3. Main businesses and product portfolio
CMP and cleaning tools
Equipment for wafer chemical mechanical planarization and front-end cleaning processes.
CMP slurry
A consumable material used for wafer polishing; the original post says KC Tech is the only Korean company to localize it domestically.
Wet Station and Coater
Equipment for cleaning and coating processes in LCD/OLED substrate manufacturing.
Official fact: The original post cites 3Q22 cumulative sales mix of roughly 77% semiconductor and 22% display, and estimates an annual mix around 7:3.
4. Market positioning and technology
KC Tech is described as the only domestic company that has localized and supplies both semiconductor CMP equipment and slurry. It has Samsung Electronics and SK hynix as major customers and has acted as a localization partner through ceria-based CMP slurry localization and replacement of foreign CMP tools.
In CMP equipment, the original post describes Applied Materials as holding more than 50% share, with Japan's Ebara and KC Tech sharing the remaining niche. KC Tech's differentiation lies in total-solution capability across equipment and materials, customized technical support, and joint development experience, including roughly 300 meetings over 18 months with Samsung Electronics to localize CMP processes.
5. Glass substrates and next-generation optionality
Interpretation: Glass substrates are emerging as next-generation semiconductor packaging substrates that can address fine-process limits and thermal deformation issues in organic substrates. The original post says KC Tech is pursuing R&D and commercialization with Samsung Electro-Mechanics and Samsung Electronics.
- Glass substrates require precise processing of thin, large substrates, flatness control, and fine patterning.
- CMP may be used as an ultra-precision planarization solution for glass-substrate surfaces.
- The post mentions related patents and dedicated equipment, including ultra-thin glass substrate cleaning and inline floating cleaning technology.
- HBM stacking, EUV, and advanced packaging could expand the role of CMP and cleaning technology.
6. My view
KC Tech's strengths are localized core technology, total-solution coverage across equipment and materials, close customer cooperation with Samsung Electronics and SK hynix, early R&D for EUV, HBM, and glass substrates, and a stable financial structure. That is why I started with a scout-sized position rather than a full bet.
Sources
- Original post: https://m.blog.naver.com/PostView.naver?blogId=star_of_self&logNo=223758977888
- References named in the original post: KC Tech quarterly disclosures, DealSite company analysis, FnGuide Snapshot, Daily Invest article, Genspark, KIPOST article, and others