PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩0 per share · Prices as of the 2026-10-02 close
Shinsung E&G's cleanroom (ENG) segment has returned to quarterly operating profit on the back of expanded capex from Samsung Electronics and SK Hynix, but the renewable energy (RE) segment remains loss-making, leaving owner-attributable net income in the red for four consecutive quarters.
Q2 2026 revenue reached KRW 201.8bn with operating profit of KRW 3.06bn, swinging from an operating loss of KRW 2.23bn in the prior quarter, yet the owner-attributable net loss of KRW 1.31bn continued.
The clean-environment (ENG) segment accounted for 89.1% of 2025 revenue and is closely tied to fab expansions by Samsung Electronics and SK Hynix.
The annual operating margin declined from 3.2% in 2022 to 0.2% in 2025, and owner-attributable net income posted losses in both 2024 and 2025.
A KRW 21.4bn systemceiling contract tied to Samsung Electronics' Pyeongtaek P5 plant and an ENG-segment order backlog of KRW 392.6bn as of end-June underpin the second-half revenue base.
The renewable energy segment saw revenue growth from resumed floating-solar module shipments and the conversion of the Gimje plant to high-output lines, but an operating loss persisted.
Founded in 1977 and listed on the KOSPI, Shinsung E&G operates a two-track business consisting of the clean-environment (ENG) segment, which supplies cleanrooms, air-handling systems, and dry rooms for semiconductor, display, and secondary-battery processes, and the renewable energy (RE) segment, which produces solar modules and operates power-generation systems.
As of 2025, the ENG segment accounted for KRW 505.6bn (89.1%) of revenue and the RE segment for KRW 58.0bn (10.2%), making ENG the company's effective cash cow.
In fan-filter units (FFU), a core cleanroom component, Shinsung E&G holds more than 60% of the domestic market, the top position, and it differentiates itself from rivals such as Hanyang E&G by manufacturing FFUs in-house and using HPL technology to shorten installation time.
Major customers include large semiconductor and packaging players such as Samsung Electronics, SK Hynix, Amkor Technology Korea, Korea Circuit, and Samsung C&T, and the company has recently expanded into bio-cleanroom and data-center air-conditioning applications.
Overseas, its US subsidiary posted record revenue, pushing the share of overseas sales in total revenue above 50%.
The RE segment combines solar module manufacturing with EPC (engineering, procurement, and construction) services and is expanding into industrial-complex, floating-solar, and data-center-linked solar projects, but it has long struggled with profitability amid competition from low-priced Chinese products and volatile domestic demand. Both segments remain structurally exposed to the capital-expenditure cycles of their respective end markets.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩140B | ₩3.4B | 2.4% |
| 2025Q3 | ₩158.6B | ₩300M | 0.2% |
| 2025Q4 | ₩152.6B | ₩2.9B | 1.9% |
| 2026Q1 | ₩153.7B | -₩2.2B | −1.5% |
| 2026Q2 | ₩201.8B | ₩3.1B | 1.5% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩664.1B | ₩21B | ₩34.1B | 3.2% | 16.2% | 173.5% |
| 2023 | ₩576.5B | ₩7.4B | ₩15.3B | 1.3% | 6.3% | 142.3% |
| 2024 | ₩582.3B | ₩5B | -₩14.1B | 0.9% | −5.9% | 154.8% |
| 2025 | ₩567.5B | ₩1.3B | -₩7B | 0.2% | −3.0% | 157.5% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-21
On an annual basis, revenue fell from KRW 664.1bn in 2022 to KRW 576.5bn in 2023, KRW 582.3bn in 2024, and KRW 567.5bn in 2025, staying below KRW 600bn for three straight years.
Operating profit shrank for four consecutive years, from KRW 21.0bn (3.2% margin) in 2022 to KRW 7.4bn (1.3%) in 2023, KRW 5.0bn (0.9%) in 2024, and KRW 1.3bn (0.2%) in 2025.
Owner-attributable net income swung from profits of KRW 34.1bn in 2022 and KRW 15.3bn in 2023 to losses of KRW 14.1bn in 2024 and KRW 7.0bn in 2025.
Operating cash flow also fluctuated sharply, from -KRW 24.0bn in 2022 to KRW 47.2bn in 2023, KRW 2.8bn in 2024, and -KRW 29.1bn in 2025, reflecting the working-capital burden tied to project-based revenue recognition.
On a quarterly basis, operating profit was just KRW 0.25bn in Q3 2025 while the owner-attributable net loss widened to KRW 3.26bn, before the company swung to an operating profit of KRW 2.91bn and a net profit of KRW 3.14bn in Q4 2025.
The pattern reversed again in Q1 2026 with an operating loss of KRW 2.23bn and a net loss of KRW 3.13bn, then Q2 2026 revenue rose to KRW 201.8bn with operating profit of KRW 3.06bn, yet the owner-attributable net loss remained at KRW 1.31bn.
This suggests that despite improving operating profit, items below the operating line, such as interest expense and other non-operating items, are delaying a return to net profitability. The debt ratio eased from 173.5% in 2022 to 142.3% in 2023 before rising again to 154.8% in 2024 and 157.5% in 2025.
The upstream semiconductor industry continues to see large-scale fab expansions such as Samsung Electronics' Pyeongtaek P5 and SK Hynix's Yongin cluster, driven by rising AI infrastructure investment, and some industry views suggest this favorable cycle could persist through 2028.
Samsung Electronics has accelerated its Pyeongtaek P5 construction schedule, and the adjoining P5 Fab2 is reported to add capacity roughly equivalent to the combined P1-P4 lines, implying continued cleanroom and air-handling orders.
In the cleanroom/FFU market, Shinsung E&G holds the top domestic share, but competitors such as Hanyang E&G also compete regularly for large projects.
Demand for secondary-battery dry rooms is expected to remain a smaller share of 2026 orders amid slower EV sales, according to the company, keeping semiconductor-related orders as the dominant driver.
The renewable energy market faces both a favorable tailwind from expanding domestic RE100 and zero-energy building policies and a headwind from price competition with low-cost Chinese modules. Rising power demand from data centers is also opening new demand for combined solar-module and air-conditioning package supply.
In July, Shinsung E&G signed a KRW 21.4bn systemceiling construction contract with Samsung C&T for Phase 1 of Samsung Electronics' Pyeongtaek P5 plant, running from July 15, 2026 to September 30, 2027.
The company said its major domestic projects in the first half were centered on Samsung Electronics' Pyeongtaek site and SK Hynix's Cheongju and Yongin sites, and it expects second-half revenue to continue being driven mainly by the Pyeongtaek-related work.
The ENG segment secured an order backlog of KRW 392.6bn as of end-June, providing a base for second-half revenue, and roughly 74% of its Q2 new orders of KRW 253.5bn came from overseas, reflecting continued growth centered on its US operations.
The RE segment expects revenue recognition from additional module shipments and large EPC projects such as the Hapcheon Dam floating-solar project in the second half, and its Gimje plant has been converted to high-output, higher value-added production lines that began full-scale operation in August.
The company also said it is participating in a 300MW regional solar-power consortium in the Saemangeum area, aiming to lift utilization and profitability at its Gimje, Gunsan, and Buan area operations.
In April, JPMorgan was registered as a major shareholder of Shinsung E&G through a disclosed stake filing, and alongside its August earnings release the company disclosed a value-up plan that included completion of a roughly KRW 5.0bn treasury-share retirement previously flagged in May.
The company said the plan is intended to share management targets and execution strategy through 2028 with the market.
With owner-attributable net income posting losses in both 2024 and 2025, and net losses persisting over the most recent four quarters, Shinsung E&G sits in a range where earnings-based price multiples are difficult to calculate.
The stock trades at a certain premium relative to net asset value, which can be interpreted as reflecting both the recovery in cleanroom-segment profitability and expectations for a turnaround in the renewable energy segment.
As no per-share cash dividend has recently been confirmed, the dividend yield stands on the lower side compared with peers in the sector that do pay dividends.
That said, a debt ratio that has stayed above 150% every year and operating cash flow that has swung sharply from year to year are factors worth weighing alongside net asset value when assessing stability.
Whether the cleanroom segment's alternating quarterly profits and losses eventually translate into a full company-wide return to net profit is likely to be an important variable for future valuation assessments.
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 2026-08-21
Large fab expansions such as Samsung Electronics' Pyeongtaek P5 and SK Hynix's Cheongju and Yongin sites continue, and Shinsung E&G has secured related system-ceiling and cleanroom contracts. The ENG segment's order backlog stood at KRW 392.6bn as of end-June, underpinning second-half revenue.
The share of overseas orders has risen to about 74% of new orders, supporting continued overseas revenue growth centered on the United States.
Operating profit turned positive in both Q4 2025 and Q2 2026, and Q2 ENG-segment revenue marked its highest quarterly level in five years. The company attributed the profitability improvement to the completion of carried-over project settlements and an upgraded cost-management system.
Continued growth in orders from semiconductor customers makes the durability of this improvement worth watching.
New business opportunities are opening up through participation in the Saemangeum 300MW solar consortium, the Hapcheon Dam floating-solar EPC project, and data-center-linked solar packages. The Gimje plant has been converted to high-output, higher value-added lines and began operation in August.
JPMorgan's registration as a major shareholder in April is a fact that reflects institutional investor interest.
Even in Q4 2025 and Q2 2026, when operating profit turned positive, owner-attributable net income diverged, posting a KRW 3.14bn profit in the former and a KRW 1.31bn loss in the latter. Owner-attributable net income also posted losses for two consecutive years on an annual basis in 2024 and 2025.
The structural reasons why improved operating profit has not directly translated into net profit warrant further scrutiny.
The renewable energy segment continued to post an operating loss in Q2 2026, and revenue growth has not yet translated into a full swing to profit. Price competition with low-cost Chinese solar modules and volatile domestic demand have been cited as persistent burdens.
Given that this segment's losses have persisted for an extended period, the timing of any full turnaround needs to be clearly confirmed.
The debt ratio exceeded 140% in all four years from 2022 to 2025, rising to 157.5% in 2025. Operating cash flow was also negative in both 2022 and 2025, reflecting a recurring working-capital burden tied to the project-based revenue structure. This financial structure could increase the need for additional funding as new projects expand.
The cleanroom and air-handling business recognizes revenue in line with customers' actual fab expansion timing, so delays or changes in investment plans by major customers such as Samsung Electronics and SK Hynix could push back revenue recognition.
Delays in upstream industry investment have previously been cited as a key factor behind weak results. Given the high dependence on large fab projects, this risk remains a persistent factor.
The renewable energy segment remains continuously exposed to price competition from low-cost Chinese solar modules. If this is compounded by weaker domestic market demand, reduced utilization could push up unit costs and further erode profitability.
Depending on the scale and timing of new projects such as Saemangeum, this segment's earnings volatility could increase.
With the debt ratio staying above 140% every year and operating cash flow fluctuating sharply from year to year, working-capital burdens could increase when multiple large projects proceed simultaneously. This is a factor that could affect the funding conditions needed for new business expansion.
There is also a possibility that continued losses in the renewable energy segment could add further strain to the company's overall financial structure.
This is the expected filing date for the Q3 2026 quarterly report, when it will be important to check whether the ENG segment sustains profitability and how much the RE segment's operating loss has narrowed.
Progress on Samsung Electronics' Pyeongtaek P5 Phase 1 construction, whether P5 Fab2 breaks ground, and any additional system-ceiling or cleanroom order disclosures should be monitored.
Revenue recognition from the Hapcheon Dam floating-solar EPC project, progress on the Saemangeum 300MW consortium, and any improvement in utilization at the Gimje plant's new high-output line should be checked.
The outcome of SK Hynix's Cheongju and Yongin projects and the Indiana project bid in the United States, among other overseas and new order wins, should be confirmed.
The implementation status of the value-up plan, including whether further treasury-share policies or shareholder-return measures are specified, should be continuously monitored.
Shinsung E&G's semiconductor cleanroom (ENG) business shows a pattern of recovering quarterly operating profit, linked to large fab expansions at Samsung Electronics and SK Hynix, but the renewable energy (RE) segment continues to post losses, and company-wide owner-attributable net income posted losses in both 2024 and 2025, with three of the most recent four quarters also in the red.
Annual revenue has shown a gradual decline since 2022, and the operating margin fell from 3.2% to 0.2% before showing signs of recovery in recent quarters.
The company has secured a number of confirmable orders and business foundations, including Samsung Electronics' Pyeongtaek P5 project, SK Hynix's Cheongju and Yongin projects, and the Hapcheon Dam and Saemangeum solar projects, alongside facts reflecting market interest such as the value-up plan and JPMorgan's registration as a major shareholder.
However, a debt ratio that has consistently exceeded 150% and operating cash flow that swings sharply from year to year are factors that warrant attention from a financial-stability perspective.
How long the cleanroom segment's profitability persists, and when the renewable energy segment actually turns profitable, are likely to be the key variables shaping the company's future earnings direction. Readers should weigh these facts comprehensively in forming their own judgment.
Report written 2026-09-05 · Data as of 2026-09-04
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