010170 - Taihan Fiberoptics Co., Ltd.

010170 Summary

Power Equipment

Stock Price & Overview

₩13,010 +160 (+1.25%) Close · Sep 4, 2026 KST

KOSDAQ | ₩KRW | Close: ₩13,010 ≈ US$9 · Market cap ₩2.0tn (≈ $1.4bn)

010170 Financial Statements

Breakdown ₩ bn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Total Revenue	139.4	152.7	180.3	190.1	156.6	136.1	154.3	167.1	139.7	116.5	109.0
Cost of Revenue	135.8	149.4	174.2	159.0	153.2	134.6	142.8	134.2	109.6	102.4	97.5
Gross Profit	3.6	3.3	6.1	31.1	3.4	1.4	11.5	32.9	30.1	14.1	11.5
Selling, General & Administrative	25.0	33.0	29.3	27.6	30.8	24.1	21.1	17.4	15.1	15.6	15.9
Operating Income	-21.4	-29.7	-23.2	3.5	-27.5	-22.7	-9.6	15.5	15.0	-1.5	-4.4
Finance Income	0.6	2.7	4.9	5.2	8.4	4.2	1.8	1.1	1.5	0.1	0.0
Finance Costs	10.1	12.7	12.2	8.2	4.3	2.4	4.5	3.1	2.1	—	—
Pretax Income	-27.2	-54.8	-28.8	-3.1	-46.8	-22.6	-13.0	13.0	13.2	-15.1	-1.9
Income Tax Expense	0.7	1.2	0.6	-0.0	2.3	4.8	-1.3	-8.2	-0.0	2.5	-0.6
Net Income	-28.0	-56.0	-29.5	-3.1	-49.1	-27.4	-11.7	21.3	13.2	-12.6	-1.3
Total Comprehensive Income	-23.5	-35.2	-29.9	-2.6	-49.2	-26.9	-11.7	20.5	13.4	-12.8	-1.2

Breakdown ₩ bn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Total Assets	219.0	209.7	234.8	252.1	235.9	268.9	289.7	317.0	155.8	127.1	152.5
Current Assets	99.8	100.9	136.0	149.4	140.2	139.6	161.3	204.9	90.3	68.3	61.8
Cash & Cash Equivalents	9.8	8.5	16.1	13.5	48.8	39.1	56.8	98.3	24.7	20.1	15.3
Inventories	45.1	40.5	49.1	66.5	37.2	40.3	45.7	35.2	19.5	18.3	17.1
Trade Receivables	27.0	28.7	30.5	44.3	28.2	33.0	54.1	70.0	45.9	26.1	26.8
Non-current Assets	119.2	108.7	98.8	102.7	95.7	129.3	128.4	112.2	65.4	58.7	90.7
Property, Plant & Equipment	102.5	101.3	88.5	87.7	83.3	111.3	114.6	100.8	63.9	56.6	87.5
Intangible Assets	0.0	0.0	0.2	0.1	0.2	2.3	1.2	0.6	0.8	0.8	0.6
Total Liabilities	152.4	168.8	158.8	146.6	132.5	116.3	110.3	126.0	59.3	66.7	79.3
Current Liabilities	130.5	144.7	138.5	120.2	72.4	71.3	80.0	83.4	43.7	56.4	70.6
Non-current Liabilities	21.9	24.1	20.2	26.4	60.2	45.1	30.3	42.5	15.7	10.3	8.7
Total Equity	66.7	40.8	76.0	105.5	103.3	152.5	179.4	191.1	96.4	60.4	73.2
Share Capital	66.0	37.3	37.3	37.2	36.9	36.9	36.9	36.9	29.9	23.5	23.5
Retained Earnings	-45.5	-52.7	-28.3	-2.4	-49.8	-19.6	7.4	19.1	-27.8	-41.0	-28.5

Breakdown ₩ bn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Cash from Operating Activities	-12.2	-24.0	6.0	-31.8	-9.8	-12.3	-3.3	-8.3	8.3	10.8	9.7
Cash from Investing Activities	-7.7	16.1	-20.8	-13.9	4.7	-12.3	-21.4	-56.0	-14.7	13.0	9.3
Purchase of Property, Plant & Equipment	0.8	4.5	8.0	9.6	4.0	9.2	21.4	38.1	11.1	15.2	3.6
Cash from Financing Activities	21.3	-0.0	16.8	10.0	14.4	7.0	-16.8	137.8	11.3	-18.7	-6.2
Net Change in Cash	1.3	-7.6	2.5	-35.3	9.7	-17.7	-41.5	73.7	4.6	4.8	13.0

Breakdown ₩ bn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Total Revenue	49.1	34.2	29.1	43.3	41.6	25.4	35.8	43.9	40.2	32.8
Cost of Revenue	40.1	31.4	28.2	43.0	39.1	25.6	37.4	41.9	35.8	34.2
Gross Profit	8.9	2.9	0.9	0.3	2.6	-0.2	-1.7	2.0	4.3	-1.4
Selling, General & Administrative	8.0	6.8	5.9	7.0	5.3	6.7	12.1	6.5	7.5	7.0
Operating Income	1.0	-4.0	-5.0	-6.7	-2.8	-6.9	-13.7	-4.4	-3.2	-8.4
Finance Income	0.2	0.1	-3.2	0.2	3.1	0.6	1.1	-0.1	0.8	0.9
Finance Costs	1.6	1.7	2.9	2.3	2.8	2.0	2.5	2.4	4.8	2.9
Pretax Income	0.5	-3.7	-10.9	-8.2	-1.1	-7.0	-29.7	-7.0	-7.7	-10.4
Income Tax Expense	0.0	—	—	—	—	—	1.2	-0.3	0.3	—
Net Income	0.4	-3.7	-11.7	-8.2	-1.1	-7.0	-30.9	-6.7	-8.0	-10.4
Total Comprehensive Income	-0.7	-4.3	-7.4	-8.3	-0.8	-7.0	-10.2	-6.8	-7.9	-10.4

Breakdown ₩ bn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Total Assets	285.3	251.4	219.0	219.4	210.5	207.4	209.7	208.9	224.8	233.0
Current Assets	133.2	132.1	99.8	104.3	94.2	91.1	100.9	110.8	123.8	133.5
Cash & Cash Equivalents	17.3	31.4	9.8	8.2	3.9	5.5	8.5	10.5	15.1	16.8
Inventories	65.6	48.6	45.1	43.9	46.1	44.9	40.5	46.7	51.3	51.0
Trade Receivables	—	32.3	27.0	34.4	26.2	21.8	28.7	31.0	34.3	33.1
Non-current Assets	152.1	119.3	119.2	115.0	116.3	116.3	108.7	98.1	101.0	99.5
Property, Plant & Equipment	116.9	101.9	102.5	97.9	99.0	100.1	101.3	87.2	88.6	89.6
Intangible Assets	—	0.0	0.0	0.0	0.0	0.0	0.0	0.2	0.2	0.3
Total Liabilities	173.5	135.4	152.4	149.8	156.0	152.2	168.8	157.9	167.0	167.3
Current Liabilities	125.3	113.1	130.5	131.2	142.2	128.4	144.7	140.3	148.0	147.7
Non-current Liabilities	48.2	22.2	21.9	18.6	13.8	23.8	24.1	17.6	19.0	19.6
Total Equity	111.8	116.0	66.7	69.5	54.5	55.2	40.8	51.0	57.8	65.7
Share Capital	77.7	77.7	66.0	66.0	54.8	54.8	37.3	37.3	37.3	37.3
Retained Earnings	-7.2	-7.6	-45.5	-33.9	-25.7	-24.6	-52.7	-21.2	-14.5	-6.6

Breakdown ₩ bn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Cash from Operating Activities	-5.4	-14.2	1.8	-0.4	-8.3	-5.3	1.9	-5.1	-12.2	-8.6
Cash from Investing Activities	-0.8	-0.5	2.3	-1.6	-1.7	-6.7	-1.7	1.4	10.9	5.4
Purchase of Property, Plant & Equipment	1.9	0.2	0.1	0.4	0.1	0.3	0.8	0.7	0.4	2.7
Cash from Financing Activities	-7.9	36.2	-2.7	6.4	8.8	8.8	-2.5	-0.7	-0.5	3.8
Net Change in Cash	-14.1	21.6	1.6	4.3	-1.6	-3.0	-2.0	-4.6	-1.8	0.7

Consolidated (CFS), from DART. 11 fiscal years and 10 quarters. Accounts matched on IFRS account_id, not Korean labels, so the same line holds across years where the Korean wording changed. Quarterly figures are three-month values: income quarters from DART's three-month column, cash-flow quarters differenced from DART's cumulative figures, and Q4 as annual minus nine-month cumulative.

010170 Growth

FY2025 ₩bn	Latest	1-yr	3-yr CAGR	5-yr CAGR	10-yr CAGR
Revenue	139.4	-8.7%	-9.8%	+0.5%	+2.5%
Operating income	-21.4	—	—	—	—
Net income	-28.0	—	—	—	—
EPS	₩-180	—	—	—	—
Operating cash flow	-12.2	—	—	—	—
Shareholders' equity	66.7	+63.3%	-14.2%	-15.3%	-0.9%

Compound annual growth from the DART annual statements on this page. n/m where either end of the period is a loss or missing. EPS uses today's share count for every year.

010170 Profitability

Ratio	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020
Gross margin	2.6%	2.2%	3.4%	16.3%	2.1%	1.1%
Operating margin	-15.4%	-19.5%	-12.9%	1.8%	-17.5%	-16.7%
Net margin	-20.1%	-36.7%	-16.3%	-1.6%	-31.4%	-20.1%
Return on equity	-52.1%	-95.9%	-32.5%	-3.0%	-38.4%	-16.5%
Return on assets	-13.1%	-25.2%	-12.1%	-1.3%	-19.5%	-9.8%
Operating cash flow / revenue	-8.8%	-15.7%	3.3%	-16.7%	-6.2%	-9.0%
Capex / revenue	0.6%	3.0%	4.4%	5.0%	2.6%	6.8%

Margins divide by revenue for the same year. Return on equity and assets divide net income by the average of that year's and the prior year's balance, as DART reports them (consolidated, including minority interests).

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What a US investor should know

Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
Daily limitKorean stocks can move at most ±30% in a session before trading halts.
Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.