DEEP RESEARCH · TAESUNG

Taesung 2025-2027 Strategic Analysis

How AI server PCBs, composite copper foil, and glass-substrate equipment can transform a traditional wet-process equipment maker

Date: 2026-01-19 · Semiconductor and battery equipment growth-stock perspective · Original Naver blog post

0. Bottom line first

Official fact: The source states that as of September 30, 2025, Taesung's paid-in capital was KRW 3.05007 billion and shares outstanding were 30,500,730. That is about 18% above year-end 2024 paid-in capital of KRW 2.58907 billion and 25,890,730 shares, while the par value remains KRW 100. The source also cites news that monthly orders in December exceeded KRW 10 billion as a signal of visible top-line growth.

Interpretation: The capital increase reads as preparation for large projects such as the Cheonan new plant, glass-substrate demo equipment, and composite copper foil RTR equipment. Still, new businesses require customer production schedules and yield proof, so order disclosures and plant progress matter.

1. Starting point: from PCB wet equipment to next-generation tools

Taesung, 323280.KQ, is described as a company with more than 20 years of experience in PCB wet-process equipment. The global hardware industry is undergoing simultaneous shifts in AI compute demand, EV battery safety, and semiconductor packaging limits, and Taesung is exposed to equipment demand across all three axes.

Operationally, Taesung's industry category, other special-purpose machinery manufacturing C29299, is order-based and technology-intensive. With high fixed costs, operating leverage can become large once revenue passes breakeven. The source estimates composite copper foil RTR equipment at about $4 million per unit, or roughly KRW 5-6 billion, and expects glass-substrate etching equipment to carry higher margins than legacy PCB tools because of process difficulty.

2. AI server PCB: the legacy cash cow

NVIDIA Blackwell and GB200 server systems require PCBs with more than 20 layers and ultra-low-loss materials. Fine-circuit reliability between AI chips and mainboards requires higher precision in desmear and surface-treatment processes. The source states that Taesung's vacuum suction and two-fluid spray technologies help remove micro-via contamination and secure uniform plating thickness. Background links include 36Kr AI server article, PCB Directory market article, Rocket PCB article, Creating Nano Technologies post, and ICAPE PCB trends.

Official fact: The source says the global PCB market is projected to reach $94.17 billion by 2032, with AI servers and HPC driving growth. Source link: Printed Circuit Board Market Outlook 2026-2032.

The source argues that leading PCB makers such as ZDT, Samsung Electro-Mechanics, and LG Innotek are entering a CAPEX cycle to expand AI server substrate capacity. Taesung is positioned as a proven first-tier vendor with long customer relationships, giving it an opportunity in new lines and replacement demand.

3. Composite copper foil: battery safety and lightweighting equipment

Composite copper foil is a sandwich structure with thin copper layers on both sides of PET or PP polymer film. Versus conventional electrolytic copper foil, it can reduce copper usage and weight, while the polymer film can melt during an internal short and act as a fuse to reduce thermal-runaway risk. Background links include SMM composite copper foil article, VentureSquare Taesung article, and SMM Taesung equipment article.

Official fact: The source states that the global composite copper foil equipment market is expected to grow from $750 million in 2024 to $1.2 billion by 2033.

Taesung's core technology is roll-to-roll, or RTR, horizontal electroplating. The clamping approach used by many Chinese competitors holds the film edges during transport, which can create uneven edge plating, film tearing, and tension-control problems in ultrathin 4.5µm-6.5µm films. Taesung's RTR method maintains uniform tension across the whole film, performs continuous plating, and can reduce process steps through double-sided plating without auxiliary film. The source cites production speeds above 10m/s.

Interpretation: The attraction of composite copper foil equipment is high ASP and bottleneck resolution. The offsetting risks are customer yield, battery-investment pacing, and exposure to Chinese customers.

4. Glass substrates: the wet-process bottleneck in advanced packaging

AI and HPC chip performance is exposing limits in organic substrates around fine circuits, thermal management, and large-area packaging. Glass is gaining attention because of surface flatness, low thermal deformation, and low electrical signal loss. Intel and SKC subsidiary Absolics are cited as leaders targeting commercialization in 2026-2030. Background links include 36Kr glass-substrate article, MDPI glass-substrate review, Semiconductor Engineering article, and BusinessWire market report.

Taesung's strength comes from large-area glass-processing know-how in the display industry. Thin and fragile glass must be handled with semiconductor-level precision, and the source argues that Taesung's LCD and OLED glass-processing equipment experience supports competitiveness in etching, stripping, and cleaning.

Official fact: The source states that Taesung is known as the only domestic company able to provide the full wet-process flow for glass substrates, from TGV cleaning to surface etching and stripping, on a turnkey basis. Related post-process cleaning equipment link: VentureSquare cleaning equipment article.

Interpretation: Glass substrates are a post-2026 market-opening theme, so the gap between expectation and actual orders is large. Taesung's demo tests, customer specification finalization, and mass-production equipment schedule are the key evidence for re-rating.

5. Cheonan new plant and three-year roadmap

Taesung is building a new plant in the Cheonan North BIT general industrial complex in Chungcheongnam-do. The source frames it not as simple capacity expansion but as a dedicated production base for composite copper foil RTR plating equipment and glass-substrate manufacturing equipment.

6. Risks and monitoring indicators

The first risk is delayed technology adoption. Glass substrates and composite copper foil both change existing process standards, so if customer standardization or end-product yield is delayed, equipment orders can also slip. The offsetting argument is that PCB equipment cash flow can fund R&D and waiting time.

The second risk is geopolitics. Since CATL and BYD are referenced as key composite copper foil players, U.S.-China trade tension and IRA issues matter. The source says Taesung is strengthening cooperation with Korean battery makers such as LG Energy Solution and Samsung SDI while seeking North American and European customers to lower China dependence.

The third risk is raw-material volatility in steel, copper, and other inputs. New-plant construction and equipment manufacturing costs can pressure margin. The source argues that high-ASP new tools and customer demand to reduce copper usage can support pricing power.

7. Final read

In sum, Taesung is evolving from a simple PCB equipment maker into a hybrid equipment company that addresses bottlenecks in AI, EV batteries, and semiconductor packaging. 2025 is preparation, 2026 is when the new plant and new-business revenue should become visible, and 2027 tests the KRW 1 trillion capacity vision.

The indicators I would watch most closely are actual orders for glass-substrate and composite copper foil equipment, the Cheonan plant schedule, and AI server PCB equipment backlog. If expectations convert into numbers, a valuation re-rating is possible; if delayed, the stock can be discounted back as a traditional equipment name. A long-horizon approach can make sense, but evidence on orders and capacity should drive the judgment.