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Korean maker of robotic assembly/automation equipment for secondary-battery cell production and precision-metal parts for Apple products.
Korean maker of robotic assembly/automation equipment for secondary-battery cell production and precision-metal parts for Apple products.
Equipment is a project business: revenue arrives when a battery maker orders a new line, so it swings with plant building. The Apple metal parts ship in volume to the contract manufacturers who assemble Apple devices and follow product cycles.
Moat: narrow (customer qualification). Qualified equipment/parts vendor inside tightly-controlled battery and Apple supply chains.
Headquarters: Asan, South Korea · Founded: 2000 · Employees: 199
Size Seojin System (178320.KS) is a South Korea Information Technology company (Computer Communications) with a market value of $1.33B, the 189th largest of 495 South Korea companies the cockpit tracks. Shares closed at ₩28,350 on 6 Nov 2026.
Performance Over six months the shares fell 52.4%, against +4.6% for the median peer and -24.5% for the South Korea market (cap-weighted) — 2nd lowest of 21 in its peer set.
Growth Revenue grew 8.7% over the last twelve months (peer median +5.6%); the operating margin is -5.4% (peer median 5.4%).
Valuation It trades at 2.5× enterprise value to sales against a peer median of 2.1× (9th most expensive of 21).
Capital Return on invested capital runs 9.5 points below its cost of capital (7.4% WACC).
Next results Next results expected around 18 Nov 2026 (exchange calendar; dates can move).
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | |
|---|---|---|---|---|---|
| Revenue | ₩1.22T | ₩1.07T | ₩1.21T | ₩779B | ₩736B |
| Revenue growth | — | -12% | +56% | +6% | — |
| Gross profit | ₩61.4B | ₩104B | ₩209B | ₩135B | ₩126B |
| EBITDA | ₩48.9B | ₩108B | ₩197B | ₩125B | ₩124B |
| Net income | -₩82.8B | -₩101B | ₩84.3B | -₩22.6B | ₩1.61B |
| Free cash flow | -₩571B | -₩369B | -₩291B | -₩120B | -₩139B |
| Capital expenditure | ₩345B | ₩332B | ₩180B | ₩164B | ₩164B |
| Total debt | ₩1.34T | ₩1.18T | ₩829B | ₩645B | ₩478B |
The default views of Competitor Analysis ▸ Charts, drawn from the same data. Open them in the cockpit to change the axes, pin companies and read every value.
| Company | Market cap | 6M return | Revenue growth | Op. margin | EV / Sales | Req g |
|---|---|---|---|---|---|---|
| Seojin System 178320.KS | $1.33B | -52% | +9% | -5% | 2.5× | n/a |
| Koh Young Technology 098460.KS | $987M | -49% | +57% | 15% | 4.0× | 20.5% |
| People & Technology 137400.KS | $408M | -57% | -18% | 11% | 1.2× | n/a |
Peer set: Industry: the same industry and sector in any market, nearest in size. This is the same default set the interactive Competitor Analysis opens with.
| Measure | 178320.KS | Peer median | Rank in peer set |
|---|---|---|---|
| 1-month return | -31.4% | -6.3% | 3rd lowest of 21 |
| 6-month return | -52.4% | +4.6% | 2nd lowest of 21 |
| Distance from 52-week high | -66.0% | -26.6% | 3rd lowest of 21 |
| Revenue growth (TTM) | +8.7% | +5.6% | 10th highest of 21 |
| Operating margin | -5.4% | 5.4% | 4th lowest of 21 |
| EV / Sales | 2.5× | 2.1× | 9th most expensive of 21 |
| ROIC minus cost of capital | -9.5 pp | -1.3 pp | 4th lowest of 21 |
| Net debt / EBITDA | 26.3× | -1.7× | most indebted of 10 |
| Company | Market | Market cap | 6M return | Revenue growth | Op. margin | EV / Sales | Req g | Delivered g |
|---|---|---|---|---|---|---|---|---|
| Seojin System 178320.KS | South Korea | $1.33B | -52% | +9% | -5% | 2.5× | n/a | n/a |
| Jade Bird Integrated Technologies 002960.SZ | China | $1.40B | -12% | -5% | 6% | 2.2× | 12.0% | +13.2% |
| Radware RDWR | United States | $1.26B | +9% | +11% | 4% | 3.2× | 32.4% | +3.8% |
| Nohmi Bosai 6744.T | Japan | $1.58B | 0% | +6% | 14% | 1.4× | -4.4% | +5.3% |
| Shenzhen BSC Technology 300951.SZ | China | $1.11B | +33% | +16% | -5% | 4.2× | n/a | n/a |
| Hochiki 6745.T | Japan | $952M | 0% | +5% | 12% | 1.2× | -0.1% | +6.7% |
| Guangdong Shenglu Telecommunication Tech 002446.SZ | China | $928M | -32% | -10% | 0% | 5.7× | 43.5% | +1.0% |
| Nedap NEDAP.AS | Netherlands | $691M | +6% | +13% | 12% | 2.1× | -3.6% | +8.1% |
| Fujian Star-Net Communication 002396.SZ | China | $2.61B | +13% | +18% | 4% | 1.2× | n/a | n/a |
| Guangdong Champion Asia Electronics 603386.SS | China | $670M | +3% | +15% | 3% | 2.1× | n/a | n/a |
| Easy Smart 2442.HK | Hong Kong | $2.72B | +72% | -33% | -15% | 101.6× | n/a | n/a |
| Nippon Signal 6741.T | Japan | $645M | -3% | +10% | 11% | 0.7× | -7.9% | +4.2% |
| Zero One Technology 3029.TW | Taiwan | $566M | +10% | +76% | 6% | 0.6× | -9.2% | +20.4% |
| Sekisui Jushi 4212.T | Japan | $516M | +28% | +5% | 7% | 0.9× | 1.8% | +3.8% |
| dormakaba DOKA.SW | Switzerland | $3.47B | +28% | -3% | 13% | 1.2× | -9.3% | +2.2% |
| Cheng Uei Precision Industry 2392.TW | Taiwan | $499M | -8% | -10% | -12% | 0.6× | n/a | n/a |
| Wuhan Ligong Guangke 300557.SZ | China | $461M | -28% | +3% | 5% | 3.6× | 31.7% | +11.1% |
| Beijing Bohui Science & Technology 688004.SS | China | $455M | +63% | -33% | -42% | 24.2× | 39.5% | -9.9% |
| CIG Shanghai 6166.HK | Hong Kong | $4.11B | -63% | +45% | 11% | 4.9× | n/a | n/a |
| Allot ALLT | United States | $422M | +10% | +14% | 7% | 3.0× | 23.1% | -5.6% |
| Zyxel 3704.TW | Taiwan | $414M | -4% | +5% | 5% | 0.5× | -5.7% | +2.6% |