PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩80 per share · Prices as of the 2026-10-02 close
DYP (Dongyang Piston) has extended four straight years of revenue growth in its core automotive engine piston business, but quarterly operating margin and net income continue to swing widely.
2025 consolidated revenue reached KRW 459.3 billion, the fourth consecutive annual increase since 2022, with operating margin at 3.6%, the highest in the four-year window
Q2 2026 revenue hit a record quarterly level of KRW 130.3 billion, but operating margin fell to 0.35% and owners' net income swung back into a loss
2025 consolidated operating cash flow was negative at KRW -2.15 billion, the only negative figure in the four-year window, in contrast to strong cash generation in 2023-2024
Beyond its core internal-combustion piston business, the company is diversifying into eco-friendly parts such as hydrogen fuel-cell components and EV thermal modules
Earnings volatility persists as global automaker demand and raw material/FX swings directly affect margins
Founded in 1977, DYP is a specialist manufacturer of automotive internal-combustion engine pistons, listed on the KOSPI with headquarters and a plant in Ansan, Gyeonggi Province.
Its core products are pistons for gasoline and diesel engines, produced through a vertically integrated process covering design through manufacturing.
The customer base spans domestic automakers as well as North American clients such as Ford, GM, and Chrysler, supplied since 2003, and German premium brands BMW and Audi, supplied since 2011. Based on this global customer footprint, the company has described itself as holding a leading global market share position.
As a tier-one vendor, it also maintains a position within the Hyundai-Kia supply chain.
In 2018, DYP acquired Woosin Industrial's hydrogen fuel-cell vehicle enclosure and manifold business, supplying components used in Hyundai's Nexo hydrogen car and Elec City FCEV hydrogen bus as a growth pillar beyond its legacy business.
The company subsequently secured a multi-year hydrogen fuel-cell component order from Hyundai Motor spanning roughly 2023 through 2028, and its EV thermal modules, supplied through partners including Hyundai Mobis, have been applied to the high-output Kia EV6 GT variant, extending its portfolio into electrification-related parts.
Competitively, it overlaps with other domestic piston and engine-parts specialists, and the pace at which automakers scale back internal-combustion production in favor of electrification remains the key variable reshaping its medium-term business mix.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩110.3B | ₩1.9B | 1.7% |
| 2025Q3 | ₩115.9B | ₩6.7B | 5.8% |
| 2025Q4 | ₩126.7B | ₩6.3B | 4.9% |
| 2026Q1 | ₩117.1B | ₩3B | 2.5% |
| 2026Q2 | ₩130.3B | ₩500M | 0.3% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩397.9B | ₩7.4B | ₩2.6B | 1.9% | 2.1% | 200.6% |
| 2023 | ₩421.7B | ₩13.3B | ₩7.6B | 3.2% | 6.2% | 197.8% |
| 2024 | ₩431B | ₩9.7B | ₩8.5B | 2.2% | 6.2% | 194.2% |
| 2025 | ₩459.3B | ₩16.7B | ₩7.8B | 3.6% | 5.4% | 214.8% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-23
DYP's consolidated revenue rose for four consecutive years, from KRW 397.9 billion in 2022 to KRW 421.7 billion in 2023, KRW 431.0 billion in 2024, and KRW 459.3 billion in 2025.
Over the same period, operating margin improved from 1.9% in 2022 to 3.2% in 2023, dipped back to 2.2% in 2024, and then climbed to 3.6% in 2025, the highest level in the four-year window.
Owners' net income recovered clearly from KRW 2.6 billion in 2022 to KRW 7.6 billion in 2023 and KRW 8.5 billion in 2024, before easing slightly to KRW 7.8 billion in 2025.
Quarterly results show pronounced swings: owners' net income posted a loss of KRW -3.5 billion in Q2 2025, rebounded to KRW 5.8 billion in Q3 and KRW 4.4 billion in Q4, eased to KRW 3.1 billion in Q1 2026, and then in Q2 2026 revenue reached KRW 130.3 billion, the highest of the five reported quarters, yet operating profit was only KRW 0.45 billion (a 0.35% margin), pushing owners' net income back into a loss of KRW -0.9 billion.
In other words, the top line continues to expand, but the conversion rate into bottom-line profit has fluctuated sharply quarter to quarter.
On the cash-flow side, 2025 consolidated operating cash flow came in at KRW -2.15 billion, the only negative figure across the four years, contrasting with robust cash generation of KRW 44.1 billion in 2023 and KRW 18.2 billion in 2024, suggesting working-capital pressure from inventory and receivables as revenue expanded.
Taken together, the company continues to grow its top line, but a durable, stable improvement in margin quality has not yet fully taken hold.
DYP's core engine-piston business is a classic automotive parts industry directly tied to automakers' internal-combustion-engine (ICE) production volumes, with the downstream market driven by the global vehicle sales cycle and the pace of electrification.
As long as hybrid vehicle demand stays firm, demand for ICE-related parts tends to hold up moderately as well, but as pure battery-electric vehicle penetration rises, the long-term demand base for engine parts such as pistons faces structural downward pressure.
The company's industrial piston segment also serves engines used in power generation and industrial machinery, and market research suggests the broader marine and industrial engine market will continue to grow at a moderate pace.
One market report projected that the marine engine market would grow at a compound annual rate of about 4.5% between 2019 and 2026, reaching roughly USD 14.4 billion by 2026.
Recently, the shipbuilding and engine sector has seen a wave of order growth at large domestic engine makers, driven by both expanding LNG carrier orders and a surge in demand for data-center power-generation engines; however, this dynamic mainly concerns companies that manufacture complete four-stroke medium-speed marine and generator engines, and it should be distinguished from DYP, which is a specialist automotive piston supplier to such engine makers rather than an engine builder itself.
Competitively, the company contends with other domestic piston and engine-parts specialists for market share while also facing pressure from automakers diversifying their parts sourcing amid the shift toward electrified vehicles.
In past investor communications, the company has outlined a medium-to-long-term revenue contribution target for its eco-friendly parts business, and it continues to hold an exclusive supply position for hydrogen fuel-cell enclosures and manifolds used in Hyundai's Nexo and Elec City FCEV models.
A multi-year hydrogen fuel-cell component order that began in 2023 is expected to be recognized in revenue progressively over its contract term, and EV thermal module volumes could gradually increase as high-output EV models such as the Kia EV6 GT expand.
That said, the exact contribution of these newer businesses to total revenue and profitability is not clearly confirmed by the latest publicly available segment data, warranting confirmation through upcoming quarterly and semi-annual filings.
The core piston business's revenue trajectory will continue to hinge on domestic and overseas automaker production plans, particularly whether hybrid vehicle output continues to expand.
The sharp operating margin decline seen in the Q2 2026 results may reflect a combination of factors such as raw material or FX movements and early-stage costs tied to new business lines, and whether this pattern persists into subsequent quarters will be a key point to watch in upcoming results.
No additional market forecasts or company guidance for the most recent unconfirmed quarters were identified through search.
The current share price appears to trade at a meaningful discount to net asset value, which can be read as partly reflecting the earnings uncertainty stemming from wide quarter-to-quarter swings in operating margin and net income over the past four years.
Relative to earnings, the stock appears to sit near the lower end of its historical trading range, a pattern consistent with the arc from weak 2022 results through the 2023-2025 profit recovery and the renewed margin softness seen in the most recent quarter.
On the dividend side, the company has a history of paying an annual cash dividend, though the yield level itself is better assessed alongside the trajectory of earnings stability rather than in isolation against a market average.
Overall, the valuation appears to reflect the market's not-yet-settled confidence in a durable earnings growth path, and whether margins recover in coming quarters will be a key variable in whether this discount persists.
PER, EPS, PBR and BPS are all calculated in-house (the same method as Naver and Toss) · Dividend yield = cash dividend per share from DART filings (supplemented by KRX) ÷ current price · As of 2026-08-23
Consolidated revenue rose every year from KRW 397.9 billion in 2022 to KRW 459.3 billion in 2025, and Q2 2026 revenue of KRW 130.3 billion was the highest of the five reported quarters. This continued top-line expansion can be attributed in part to customer diversification and new production lines coming online.
Operating margin reached 3.6% in 2025, the highest of the 2022-2025 window, while owners' net income recovered from a thin KRW 2.6 billion in 2022 to KRW 8.5 billion in 2024, suggesting an improving earnings base.
The company exclusively supplies hydrogen fuel-cell enclosures and manifolds for Hyundai's Nexo and Elec City FCEV, and secured a new multi-year hydrogen parts order beginning in 2023.
Its EV thermal modules are also applied to the Kia EV6 GT, marking progress on a new business line that reduces reliance on internal-combustion parts.
In Q2 2026, despite record quarterly revenue, operating margin fell to 0.35% and owners' net income swung to a loss of KRW -0.9 billion. A similar loss of KRW -3.5 billion occurred a year earlier in Q2 2025, pointing to a recurring pattern of earnings weakness in this particular seasonal window.
Consolidated operating cash flow was negative at KRW -2.15 billion in 2025, the only negative figure across 2022-2025. This contrasts with robust cash generation of KRW 44.1 billion in 2023 and KRW 18.2 billion in 2024, suggesting increased working-capital burden alongside revenue growth.
The core piston business is directly linked to automakers' internal-combustion engine output, and rising pure battery-EV penetration puts structural downward pressure on related parts demand. Eco-friendly parts still appear to represent a limited share of total revenue, making the pace of transition a key variable.
Fluctuations in raw material prices such as aluminum and the KRW/USD exchange rate directly affect margins at an export-oriented auto parts maker. Such cost factors may have partly contributed to the sharp operating margin decline seen in Q2 2026.
Revenue is concentrated among a limited number of domestic and overseas automakers including Hyundai and Kia, so changes in their production plans or sales weakness can directly affect results. The pace of new customer acquisition is a key variable in mitigating this risk.
New businesses such as hydrogen fuel-cell components and EV thermal modules are still at an early stage, and related investment and production ramp-up costs could weigh on near-term profitability.
Because the latest segment-level revenue and profit contribution is not clearly disclosed, it is also difficult for investors to directly verify progress.
Expected disclosure of Q3 2026 results (quarterly report) - whether the operating margin that fell sharply in Q2 rebounds will be the key point to watch.
Expected disclosure of full-year 2026 (including Q4) results and the annual business report - important to check whether full-year operating margin and operating cash flow improve from 2025's negative trend.
Any disclosure or news regarding new orders or capacity expansion for hydrogen fuel-cell components or EV thermal modules should be checked to gauge whether the new business lines' revenue contribution is expanding.
DYP is a parts specialist centered on automotive engine pistons, and its revenue expanded every year from 2022 through 2025, sustaining top-line growth.
Operating margin over the same period improved from 1.9% to 3.6%, but on a quarterly basis, earnings volatility has been pronounced, with net losses recorded in both Q2 2025 and Q2 2026.
In 2025, even as the company posted a net profit, operating cash flow turned negative, a signal that warrants attention regarding cash-generation capacity.
The company is diversifying its portfolio into eco-friendly parts such as hydrogen fuel-cell components and EV thermal modules, though the overall revenue contribution from these businesses has not yet been clearly disclosed.
On valuation, the stock appears to trade at a meaningful discount to net asset value and near the lower end of its historical earnings-based trading range, which can be read as reflecting the market's cautious view of earnings volatility.
Whether margin recovery is sustained in upcoming quarters and whether the new businesses' revenue contribution expands will be the key variables to watch going forward.
Report written 2026-09-05 · Data as of 2026-09-04
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