1. South Korea Stocks

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    Electronic technology

  3. •

    Computer communications
SEOJIN SYSTEM CO.,LTD

SEOJIN SYSTEM CO.,LTD

KKRX:178320
33,200.00
KRW
-750.00
(-2.21%)
-1,429.81EPS
3.34TMarket Cap
Nov 18Next Earn
2014 Y
2015 Y
2016 Y
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
TTM
Revenue per Share
37,334.74
59,045.03
10,315.46
10,976.89
20,696.25
10,839.74
8,884.18
8,203.13
19,642.31
20,812.81
24,431.82
18,969.71
20,959.39
Basic EPS, GAAP
737.54
13,858.57
1,220.58
248.58
1,920.05
1,344
-152
522.5
43
-603
1,696
-1,801
-1,426.84
Free Cash Flow per Basic Share
-7,763.88
-27,940.01
-123.97
-2,239.61
-4,898.23
-2,249.97
-4,109.68
-1,704.41
-3,727.47
-3,250.85
-5,907.09
-6,613.84
-9,880.45
Dividend per Share
- -
- -
- -
79.12
39.84
100.01
149.87
- -
150.44
- -
- -
- -
- -
Book Value per Share
195.44
1,341.06
2,881.95
4,328.59
5,991.06
7,278.94
6,682.18
9,584.27
14,357.65
13,424.71
15,467.04
12,381.09
15,516.46
Tangible Book Value per Share
162.99
1,160.57
2,637.65
3,728.13
5,548.68
7,253.95
6,558.51
9,460.04
14,211.18
13,247.29
15,108.81
12,014.82
15,161.39
Basic Weighted Avg Shares
1
1
16
22
16
36
36
74
37
37
50
56
58
Sales/Revenue/Turnover
49,157
77,742
165,871
237,946
324,577
392,361
321,896
606,147
735,989
778,694
1,213,753
1,066,331
1,216,839
Operating Margin (%)
9.65
28.88
14.7
7.5
11.34
13.86
1.52
9.57
8.11
6.24
8.96
0.11
-5.43
Depreciation Expense
3,012
6,382
10,250
13,694
16,716
34,152
33,628
48,521
64,348
78,319
93,520
106,804
114,928
Net Income, GAAP
971
18,247
19,627
5,388
30,112
48,648
-5,507
38,609
1,611
-22,561
84,256
-101,238
-82,838
Effective Tax Rate (%)
40.15
- -
4.62
14.76
11.64
7.16
- -
14.34
44.54
941.41
29.1
- -
- -
Profit Margin (%)
1.98
23.47
11.83
2.26
9.28
12.4
-1.71
6.37
0.22
-2.9
6.94
-9.49
-6.81
Working Capital
-29,654
-31,289
-31,875
-14,747
-35,382
1,792
20,815
92,520
65,653
-139,924
256,771
-185,766
-119,837
LT Debt
4,970
30,273
21,851
10,788
21,156
78,683
169,989
214,220
155,586
94,945
288,029
169,944
140,010
Total Equity
4,917
33,739
72,504
121,296
221,666
266,893
241,904
360,183
539,570
498,095
875,584
737,770
991,542
Return on Invested Capital (%)
- -
- -
16.92
8.26
12.02
12.38
- -
7.2
3.61
-37.74
5.37
- -
- -
Return on Capital (%)
- -
- -
17.82
4.18
11.56
13.92
- -
8.22
1.94
-36.46
8.36
- -
- -
Return on Common Equity (%)
- -
94.41
36.95
5.64
17.95
20.25
-2.18
12.82
0.36
-4.35
12.32
-12.63
-9.59

Capital Structure

KRW

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
ST Debt
1,012,447
1,027,271
1,195,386
LT Borrowings
155,395
146,361
123,765
LT Finance Leases
14,549
17,933
16,245
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
59
59
64
Market Capitalization
1,498,783
2,517,718
3,337,832

Working Capital

KRW

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
Total Current Assets
1,191,553
1,357,533
1,756,231
Cash, Cash Equivalents & STI
32,584
29,810
49,858
Accounts Receivable, Net
234,421
216,648
241,611
Inventories
849,727
986,728
1,133,191
Total Current Liabilities
1,377,319
1,548,462
1,876,068
Payables & Accruals
- -
- -
- -
ST Debt
1,012,447
1,027,271
1,195,386
Deferred Revenue
- -
- -
- -

Growth Rates

KRW

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
42.7%
30.21%
-15.74%
Free Cash Flow
253.84%
30.11%
26.69%
Net Income, GAAP
-274.67%
-618.15%
-220.16%
Sales/Revenue/Turnover
35.54%
31.85%
-12.15%
Total Cash Common Dividend
- -
- -
- -

Quarterly Revenue

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
325,667
308,858
314,833
264,395
1,213,753
2025
281,267
258,576
215,501
310,986
1,066,331
2026
280,168
410,184
- -
- -
- -

Quarterly Earnings Per Share

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
1,008
303
430
142.28
1,696
2025
22
-1,434
-850.36
465.93
-1,801
2026
-353.32
-651.95
- -
- -
- -

Quarterly Dividends Per Share

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
- -
- -
- -
- -
- -
2025
- -
- -
- -
- -
- -
2026
- -
- -
- -
- -
- -

Company Description

Company Profile APIChatGPT
CEO
Dong-Kyu Jeon
Full Time Employees
199
Sector
Electronic technology
Industry
Computer communications
Address
20-22 Saneom-ro Bucheon-si GY South Korea 14441
IPO Date
Mar 27, 2017
Website
seojinsystem.net
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Business
Seojin System Co., Ltd. manufactures and supplies precision metal components and assemblies primarily for telecommunications, energy storage systems, semiconductors, automotive and LED applications; its core products include telecom equipment such as remote radio heads (RRH), radio units (RU), cabinets, enclosures, cases and server racks; mobile phone frames; automotive parts; semiconductor equipment; aluminum alloys and ingots; cable harnesses for power, telecom and data sectors; and LED cases for industrial, sports, security and street lighting uses, as well as products for heavy industries. Founded in 1996 and headquartered in Bucheon-Si, Gyeonggi Province, South Korea, the company operates manufacturing facilities in Vietnam and China, including subsidiaries such as SeoJin Vina Co., Ltd. and Texon Co., Ltd., which it acquired as its largest shareholder in 2015 to expand into semiconductor equipment and energy storage system (ESS) production. In recent developments, Seojin System achieved record 2024 revenues of 1.21 trillion won, driven by 132% growth in its ESS business, plans to launch a larger 20-foot ESS container in 2025 amid rising demand for high-capacity units, secured major orders including 122.4 billion won and 185 billion won contracts, expanded into semiconductor equipment manufacturing beyond parts supply, and partnered with a major securities firm in late 2025 to restructure shareholder equity and resolve put options on financial investor stakes held by Crescendo Equity Partners and SKS Private Equity.