3S KOREA Co., Ltd.

3S KOREA Co., Ltd.

KKRX:060310
1,290.00
KRW
-7.00
(-0.54%)
-103.29EPS
64.47BMarket Cap
2014 Y
2015 Y
2016 Y
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
2026 Y
TTM
Revenue per Share
703.29
567.93
579.01
631.79
748.88
810.77
501.88
540.24
594
877.15
903.67
562.17
535
535
Basic EPS, GAAP
-116
-137
-83
-210
-34
32
-24
16
33
30
54
-195
-103.3
-103.3
Free Cash Flow per Basic Share
-109.85
-12.19
29.84
-87.04
85.32
57.2
-18.83
-142.36
52.66
0.67
-18.47
-139.37
51.51
51.51
Dividend per Share
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Book Value per Share
1,051.37
927.8
846.22
695.18
704.26
767.7
744.71
792.42
828.57
946.81
998.01
933.23
841.11
841.11
Tangible Book Value per Share
990.77
874.98
799.04
654.52
672.38
741.16
720.1
771.9
811.35
932.15
985.99
926.51
836.33
836.33
Basic Weighted Avg Shares
41
41
41
42
42
44
45
43
46
48
48
52
53
53
Sales/Revenue/Turnover
28,863
23,211
23,742
26,486
31,546
35,752
22,592
23,478
27,111
41,858
43,595
29,022
28,387
28,387
Operating Margin (%)
-8.8
-17.91
4.96
-9.14
1.06
4.65
2.07
-6
5.36
5.21
2.67
-20.09
-17.99
-17.99
Depreciation Expense
2,416
2,801
2,959
2,603
2,182
2,061
2,125
2,135
2,397
2,308
2,289
2,750
3,029
3,029
Net Income, GAAP
-4,761
-5,599
-3,403
-8,804
-1,432
1,411
-1,080
695
1,506
1,432
2,605
-10,067
-5,481
-5,481
Effective Tax Rate (%)
- -
- -
- -
- -
- -
0.11
- -
5.94
4.99
0.22
- -
- -
- -
- -
Profit Margin (%)
-16.49
-24.12
-14.33
-33.24
-4.54
3.95
-4.78
2.96
5.56
3.42
5.98
-34.69
-19.31
-19.31
Working Capital
2,208
-6,048
-2,712
1,357
263
858
5,793
2,304
4,461
8,344
10,541
7,611
9,845
9,845
LT Debt
12,368
7,295
6,996
9,013
6,023
1,680
2,717
2,240
2,266
2,087
2,136
2,651
225
225
Total Equity
42,993
37,940
34,604
29,180
30,752
34,372
33,365
36,546
38,339
45,955
48,440
49,525
44,637
44,637
Return on Invested Capital (%)
- -
- -
- -
- -
- -
3.71
- -
-2.83
2.82
4.09
2.1
- -
- -
- -
Return on Capital (%)
- -
- -
- -
- -
- -
4.71
- -
2.4
4.23
3.41
5.37
- -
- -
- -
Return on Common Equity (%)
-10.49
-13.84
-9.38
-27.61
-4.78
4.33
-3.19
2
4.04
3.4
5.52
-20.55
-11.64
-11.64

Capital Structure

KRW

•

in mil. unless spec.
Sep'26
Dec'26
Mar'26
ST Debt
5,325
7,206
7,152
LT Borrowings
2,000
- -
- -
LT Finance Leases
229
193
225
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
53
53
53
Market Capitalization
100,918
82,507
64,467

Working Capital

KRW

•

in mil. unless spec.
Sep'26
Dec'26
Mar'26
Total Current Assets
20,303
18,417
21,768
Cash, Cash Equivalents & STI
6,296
5,802
7,042
Accounts Receivable, Net
3,327
3,904
3,654
Inventories
4,818
4,313
3,663
Total Current Liabilities
13,281
13,926
11,923
Payables & Accruals
- -
- -
- -
ST Debt
5,325
7,206
7,152
Deferred Revenue
- -
- -
- -

Growth Rates

KRW

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
3.06%
4.51%
-9.87%
Free Cash Flow
-267.66%
-509.31%
-137.99%
Net Income, GAAP
-80.29%
-67.67%
-45.56%
Sales/Revenue/Turnover
4.95%
7.68%
-2.19%
Total Cash Common Dividend
- -
- -
- -

Quarterly Revenue

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
13,312
9,718
8,053
12,512
43,595
2025
5,356
6,482
6,469
10,715
29,022
2026
9,871
5,952
5,431
7,133
28,387

Quarterly Earnings Per Share

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
22
15
15
-19.08
54
2025
-13
-17
-3
-158.45
-195
2026
0.6
-39.85
-23.2
-40.85
-103.3

Quarterly Dividends Per Share

KRW

•

in mil. unless spec.

Year

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

Company Description

CEO
Wan-Young Jeong
Full Time Employees
89
Sector
Electronic technology
Industry
Electronic equipment/Instruments
Address
Seoul South Korea
IPO Date
Apr 23, 2002
Website
3sref.com
Business
3S KOREA Co., Ltd. is a South Korea-based technology manufacturing company that specializes in the development and production of semiconductor wafer transport carriers and industrial environmental test systems. Founded in January 1991 and headquartered in Seoul, South Korea, the company operates across two primary business divisions: the High-Tech Materials Division and the Environmental Test Equipment Division. As the first and only domestic enterprise in South Korea to commercialize 300mm wafer carrier containers, 3S KOREA serves semiconductor manufacturers, electronic component producers, automotive suppliers, and heating, ventilation, and air conditioning (HVAC) equipment developers globally. The company provides an extensive portfolio of precision products and industrial testing solutions organized into key categories: semiconductor wafer carriers, including 300mm Front Opening Shipping Boxes (FOSB) designed for secure, contamination-free transport of silicon wafers between wafer fabrication facilities; Front Opening Unified Pods (FOUP) engineered for automated micro-environment wafer handling within cleanroom production lines; Panel Level Package (PLP) FOUPs for advanced semiconductor packaging; customized wafer cassettes; environmental test equipment, including psychrometric calorimeters and balanced ambient room calorimeters used to measure the thermal capacity and energy efficiency of residential, commercial, and automotive air conditioning systems; compressor performance test benches; air-to-air heat exchanger testing systems; environmental chambers for extreme temperature, humidity, and climate simulation; specialized testing facilities, including anechoic chambers and acoustic measurement rooms; and secondary battery testing systems and factory automation logistics equipment. 3S KOREA conducts manufacturing and research operations primarily at its production plants located in Anseong, Gyeonggi-do, South Korea, while maintaining international commercial and technical operations through entities such as its subsidiary Shanghai 3S HVAC Technology Co., Ltd. and its regional joint venture Suzhou 3S Semiconductor Materials Co., Ltd. in China. The company supplies critical components and systems to leading semiconductor foundries, integrated device manufacturers, and global industrial clients across South Korea, China, and wider Asian and international markets. In recent developments, 3S KOREA has executed several strategic expansions and corporate reorganizations to enhance manufacturing capacity and strengthen its presence in high-growth markets. In January 2025, the company committed an investment of 61.1 billion South Korean won to build a new manufacturing facility at the Anseong 5th General Industrial Complex, scheduled for completion by 2027, aimed at scaling output for 300mm wafer carriers and expanding production of electric vehicle secondary battery test equipment. In February 2025, its Chinese affiliate, Suzhou 3S Semiconductor Materials Co., Ltd., secured exclusive strategic investment funding from China's Chuxin Fund to expand local supply capabilities of 12-inch wafer carriers and accelerate advanced process research and development for regional semiconductor fabricators. In late 2024, the company secured a key patent in China for its advanced Panel Level Package (PLP) FOUP technology, reinforcing intellectual property protections for next-generation packaging applications. Additionally, in September 2026, 3S KOREA initiated a corporate capital restructuring via a stock consolidation plan to increase the par value of its common shares from 500 won to 2,500 won, aimed at stabilizing share price dynamics and optimizing market liquidity.