PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩50 per share · Prices as of the 2026-10-02 close
As the leading domestic fired-heater maker expands into hydrogen extractors and Middle East orders, quarterly earnings continue to swing and equity has contracted following a large one-off gain booked in 2024.
2025 revenue rose to KRW 147.29bn year over year, but operating margin fell to a four-year low of 2.1%
2026Q2 revenue hit a quarterly high of KRW 71.45bn, yet both operating profit and net income turned negative
Overseas revenue base widened via an approximately KRW 400bn contract with India's BPCL and orders from the S-OIL Shaheen project
Establishment of Saudi subsidiary JNK Gulf to prepare Middle East entry, alongside a stated goal of KRW 100bn in hydrogen segment revenue
Debt ratio declined from 156.5% in 2023 to 58.2% in 2025, though total equity also shrank over the same period
JNK Global is an industrial fired-heater specialist established in 1998 when it spun off from Daelim Engineering.
Its core business covers the design and construction of fired heaters, hydrogen extractors, and hydrogen charging stations for refining and petrochemical plants, with major customers including Hyundai Chemical, S-Oil, Hyundai Engineering, and Samsung Engineering.
According to a recently disclosed revenue breakdown, the fired heater segment accounts for the vast majority of sales, with the remainder classified as other business.
The company is regarded as the sole domestic firm to have developed and commercialized both fired heaters and hydrogen extractors using self-developed technology, based on city-gas and LPG reforming, and it held the number one domestic market share in hydrogen charging station construction as of 2022.
Management has stated a goal of reaching KRW 100 billion in hydrogen segment revenue through continued business expansion built on its proprietary technology.
Overseas, the company signed a roughly KRW 400 billion supply contract with India's state-owned BPCL and won orders for 10 Cracking Furnace units and 2 GTG Duct System units under the S-OIL Shaheen project.
To enter the Middle East, it established a local subsidiary, JNK Gulf, in Saudi Arabia, which is also expected to support the expansion of its hydrogen business.
Competitively, few domestic peers have localized both fired heater and hydrogen extractor technology simultaneously, positioning the company with a technical edge in this niche segment.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩29.4B | ₩700M | 2.3% |
| 2025Q3 | ₩29.3B | -₩700M | −2.3% |
| 2025Q4 | ₩52B | ₩3.3B | 6.4% |
| 2026Q1 | ₩52B | ₩600M | 1.1% |
| 2026Q2 | ₩71.4B | -₩200M | −0.3% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩197.1B | ₩6.9B | ₩7.4B | 3.5% | 6.5% | 111.6% |
| 2023 | ₩166.7B | ₩4.1B | ₩3.8B | 2.5% | 3.3% | 156.5% |
| 2024 | ₩138.6B | ₩3.6B | ₩91.5B | 2.6% | 42.8% | 76.2% |
| 2025 | ₩147.3B | ₩3.2B | ₩2.9B | 2.1% | 1.8% | 58.2% |
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
Annual revenue fell for three straight years from KRW 197.10bn in 2022 to KRW 166.71bn in 2023 and KRW 138.64bn in 2024, before rebounding to KRW 147.29bn in 2025.
Operating margin generally declined over the period, moving from 3.5% in 2022 to 2.5% in 2023, 2.6% in 2024, and 2.1% in 2025, marking the lowest level of the four years.
Net income showed an unusually large figure of KRW 91.49bn in 2024, a stark divergence from that year's operating profit of just KRW 3.64bn, suggesting a substantial non-operating, one-off item was booked. Net income then contracted sharply to KRW 2.92bn in 2025 as that one-off effect faded.
Total equity fell from KRW 213.69bn in 2024 to KRW 158.56bn in 2025, while total liabilities also declined from KRW 162.87bn to KRW 92.33bn, indicating a simultaneous contraction on both the asset and capital sides of the balance sheet.
On a quarterly basis, 2025Q2 posted revenue of KRW 29.38bn and operating profit of KRW 0.67bn yet still recorded a net loss of KRW 0.82bn, while 2025Q3 swung to a net profit of KRW 1.09bn despite an operating loss of KRW 0.68bn, illustrating repeated divergence between operating and net results.
Revenue jumped to KRW 52.03bn and KRW 52.04bn in 2025Q4 and 2026Q1 respectively, with operating profit of KRW 3.33bn and KRW 0.58bn, but 2026Q2 revenue reached a quarterly high of KRW 71.45bn while the company posted an operating loss of KRW 0.22bn and a net loss of KRW 0.68bn, showing that revenue growth did not translate into improved profitability.
Over the trailing four quarters (2025Q3-2026Q2), combined revenue was KRW 204.79bn with operating profit of KRW 3.01bn and net income of KRW 4.39bn, underscoring continued earnings volatility relative to the annual pattern.
The industrial fired-heater market is tied to new capacity additions and aging-equipment replacement at refining and petrochemical plants, with orders from emerging refining nations such as India and Middle East countries increasingly emerging as a growth axis.
The large BPCL contract in India and the S-OIL Shaheen project order can be viewed as examples aligned with this expanding overseas order flow.
In the hydrogen segment, South Korean government policy supporting hydrogen charging infrastructure has provided a favorable backdrop; the Ministry of Environment has outlined a deployment plan of 100 stations by 2020, 210 by 2025, and 520 by 2030, with investment support shared between the ministry and local governments.
This policy-driven demand has served as a growth driver for the company's on-site hydrogen extractor and charging station construction business.
Competitively, few firms have simultaneously localized fired heater and hydrogen extractor technology, creating certain entry barriers in specific niches, but the company faces exposure to global EPC firms and local overseas competitors when bidding for large international projects.
Cyclically, large refining and petrochemical plant orders tend to arrive in clusters over multi-year intervals, a structural industry feature that contributes to significant year-to-year and quarter-to-quarter revenue swings depending on the timing of revenue recognition.
The company has scope for future revenue recognition as it sequentially delivers on its roughly KRW 400 billion contract with India's BPCL and its order backlog from the S-OIL Shaheen project.
The establishment of the Saudi subsidiary JNK Gulf marks a preparatory step toward full-scale entry into the Middle East, and whether local order wins materialize will be a key factor in the pace of that expansion.
In the hydrogen segment, the company has articulated a goal of reaching KRW 100 billion in revenue, reflecting a clear direction to broaden its business scope based on its domestic hydrogen charging station construction track record and overseas hydrogen extractor supply history.
That said, given that the outsized one-off net income effect from 2024 has faded and 2025 profit normalized, and that quarterly operating results have continued to alternate between profit and loss into 2026, the sustainability of any earnings improvement will likely hinge on the pace at which new orders convert into recognized revenue and on cost management.
No specific quantified earnings guidance from the company has been confirmed, making it necessary to track actual revenue and profitability trends through upcoming quarterly and annual disclosures.
This stock has historically shown very large year-to-year swings in net income, which has caused earnings-based valuation multiples to fluctuate sharply from year to year.
The multiple calculated from trailing four-quarter earnings appears closer to a normalized level compared with the extremely distorted period when the 2024 one-off gain was booked. The share price sits below net asset value, meaning it trades at a discount to book value.
Dividends have been paid annually in modest amounts, but the yield itself is not large, suggesting that market assessment of earnings and order momentum plays a bigger role in the share price than dividend appeal.
Given the company's high earnings volatility, valuation at any single point in time is difficult to interpret in isolation, and tracking the direction of upcoming quarterly results alongside it remains necessary.
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
The roughly KRW 400 billion contract with India's BPCL and the order for 10 Cracking Furnace units and 2 GTG Duct System units under the S-OIL Shaheen project are helping reduce reliance on domestic orders and expand the share of overseas revenue.
These large contracts appear to have contributed to the 2025 revenue turning positive year over year. Additional overseas projects of similar scale could further diversify the revenue base going forward.
The company recorded the number one domestic market share in hydrogen charging station construction as of 2022 and has stated a goal of expanding its business to reach KRW 100 billion in hydrogen segment revenue.
Being regarded as the sole domestic firm to have localized on-site hydrogen extractor technology based on city-gas and LPG reforming can be interpreted as a technical advantage in this market.
The attempt to expand the hydrogen business into the Middle East via the establishment of Saudi subsidiary JNK Gulf can be seen as an extension of this growth axis.
The debt ratio fell for three consecutive years, from 156.5% in 2023 to 76.2% in 2024 and 58.2% in 2025. Total liabilities also shrank sharply from KRW 162.87bn in 2024 to KRW 92.33bn in 2025. Looking at leverage metrics alone, the financial burden appears to be moving in a lighter direction.
In 2025Q3 the company posted a net profit of KRW 1.09bn despite an operating loss of KRW 0.68bn, while conversely in 2026Q2 revenue reached a quarterly high of KRW 71.45bn yet the company recorded an operating loss of KRW 0.22bn and a net loss of KRW 0.68bn.
The frequent divergence between operating and net results makes it difficult to gauge the core business's earnings power. Periods in which revenue growth does not translate into improved profitability have recurred.
Operating margin declined from 3.5% in 2022 to 2.5% in 2023, 2.6% in 2024, and 2.1% in 2025. Even as revenue fluctuated, the margin itself has been persistently compressed, suggesting ongoing cost and competitive pressure. Should profitability fail to recover despite large project wins, this trend could continue.
Net income, which had reached KRW 91.49bn in 2024, fell sharply to KRW 2.92bn in 2025; given the large gap versus that year's operating profit of KRW 3.64bn, this is interpreted as reflecting a significant non-operating one-off factor in 2024.
Over the same period, total equity also contracted from KRW 213.69bn to KRW 158.56bn, indicating that the overall balance sheet scale shrank once the one-off effect faded. This volatility makes it difficult to judge the company's normal earnings structure from annual results alone.
Because revenue is recognized on a project-by-project basis for large plant contracts, delays or shifts in delivery timing for a specific project can materially affect quarterly and annual results.
Rising dependence on a small number of large contracts, such as those with India's BPCL and the S-OIL Shaheen project, raises the possibility that results become driven by the variables of individual projects. This can be a root cause of the quarterly earnings volatility discussed above.
The establishment of the Saudi subsidiary JNK Gulf and entry into the Indian market expose the company to regulatory, currency, and contractual risks associated with operating in new regions. Where overseas project payments are settled in foreign currency, exchange rate movements can affect profitability.
There is also uncertainty regarding the timing and scale of profit contribution during the early operating phase of a newly established local subsidiary.
The domestic hydrogen charging station construction business is substantially reliant on investment support policy from the Ministry of Environment and local governments, so changes to relevant deployment policy or budget allocation could affect the pace of business growth.
Achieving the stated goal of KRW 100 billion in hydrogen segment revenue depends on both policy continuity and securing new orders. Overseas hydrogen extractor supply is likewise subject to the direction of each country's hydrogen economy policy.
The 2026Q3 earnings disclosure should be checked to see whether operating profit returns to positive territory and whether revenue growth translates into margin improvement.
Progress on revenue recognition from the BPCL contract in India and the S-OIL Shaheen project order, as well as any new order disclosures, warrant monitoring.
Watch for disclosures on JNK Gulf's first order win or operational start in Saudi Arabia, which would indicate tangible progress in the Middle East expansion.
The FY2026 annual business report should reveal actual progress toward the KRW 100 billion hydrogen segment revenue goal and whether annual operating margin has recovered.
JNK Global is a niche plant equipment maker leveraging domestic fired-heater and hydrogen extractor technology to expand into overseas markets such as India and the Middle East. 2025 revenue turned positive year over year, but operating margin fell to its lowest level in four years, and quarterly operating and net results have continued to swing between profit and loss into 2026.
The large net income booked in 2024 showed a substantial gap versus that year's operating profit, suggesting a one-off factor was at play, and total equity also contracted after that effect faded in 2025. The debt ratio has steadily declined over the past three years, easing the financial leverage burden.
The BPCL contract in India, the S-OIL Shaheen project, and the establishment of Saudi subsidiary JNK Gulf provide a basis for expanding the overseas revenue base, but whether these translate into actual profitability improvement remains something to verify through upcoming quarterly results.
The pace of achieving the stated KRW 100 billion hydrogen segment revenue goal will likewise depend on the domestic policy environment and the success of new order wins.
Report written 2026-09-05 · Data as of 2026-09-04
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