Tongyang
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Tongyang makes ready-mixed concrete, the wet concrete delivered to construction sites, and supplies a broad range of building materials, from insulation and tiles to plasterboard, through a nationwide network of plants in South Korea.
Its customers include residential, public-infrastructure, and industrial construction projects. Listed on KOSPI, Korea's main stock exchange, the company's core business is ready-mixed concrete, supported by construction contracting and a plant-equipment division that makes industrial fans for power stations, steelworks, and petrochemical facilities.
Summary is AI-generated and may contain errors · figures from DART filings
Tongyang operates through several subsidiaries spanning building materials, construction, industrial fans, textiles, and real-estate, making it a diversified multi-segment group rather than a single-product company.
Tongyang in five facts
What does Tongyang do?
Tongyang makes ready-mixed concrete, the wet concrete delivered to construction sites, and supplies a broad range of building materials, from insulation and tiles to plasterboard, through a nationwide network of plants in South Korea.
Where is Tongyang listed and in which sector?
Tongyang (Korean name: 동양) trades under KRX code 001520 on KOSPI, the main board of the Korea Exchange. It is classified in the Materials sector, Construction Materials.
How large is Tongyang?
Its market capitalisation was US$82.1M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Tongyang's latest annual revenue and operating profit?
For fiscal year 2025, Tongyang reported revenue of US$476M, an operating loss of US$15.7M and net income of US$15.3M, per its annual report on DART (data retrieved from DART on 2026-09-06). Revenue was down 16.0% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-06
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 7
- Report on securities held by executives/major shareholdersOct 1
- Report on securities held by executives/major shareholdersOct 1
- [Amended] Supply contract signed
Tongyang updated a previously disclosed supply contract with Lotte Engineering & Construction Co., Ltd., now worth US$42.6M, about 7.53% of its recent annual revenue.
Supply contract · Sep 30 - Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- Report on securities held by executives/major shareholdersSep 3
- [quarterly, individual company] Large business group status disclosureAug 31
- [Amended] Supply contract signed
Tongyang updated a previously disclosed supply contract with Lotte Engineering & Construction Co., Ltd., now worth US$37.3M, about 7.53% of its recent annual revenue, running through Sep 2026.
Supply contract · Jun 30 - Supply contract signed
Tongyang disclosed a supply contract with DL Construction Co., Ltd., worth US$24.2M, about 5.8% of its recent annual revenue, running through Jul 2028.
Supply contract · Jun 16 - [Amended] Supply contract signed (voluntary)
Tongyang updated a previously disclosed supply contract with Korea Electric Power Corp. (KEPCO), now worth US$23.7M, about 5.2% of its recent annual revenue, running through Jun 2026.
Supply contract · Jun 10 - [Amended] Supply contract signed (voluntary)
Tongyang updated a previously disclosed supply contract with Korea Electric Power Corp. (KEPCO), now worth US$24.8M, about 5.3% of its recent annual revenue, running through Jun 2026.
Supply contract · May 29 - Results of rights offering or equity-linked bond issuance (voluntary)Capital raise · May 20
- Material event report (rights offering)
Tongyang disclosed a private placement (third-party allotment) to raise US$824K, about 1.0% of its market value.
Capital raise · May 12 - [Amended] Supply contract signed
Tongyang updated a previously disclosed supply contract with Hyundai Samho Heavy Industries Co., Ltd., now worth US$54.8M, about 13.38% of its recent annual revenue, running through Aug 2027.
Supply contract · Apr 28 - [Amended] Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Tongyang updated its previously filed consolidated results for FY2025: revenue of US$425M (−16% year on year), an operating loss of US$14M and net income of US$13.7M (from a loss a year earlier).
Earnings · Mar 9 · 2 versions - [Amended] Supply contract signed
Tongyang updated a previously disclosed supply contract with Lotte Engineering & Construction Co., Ltd., now worth US$38.4M, about 7.23% of its recent annual revenue, running through Jun 2026.
Supply contract · Feb 23 - [Amended] Supply contract signed (voluntary)
Tongyang updated a previously disclosed supply contract with Korea Electric Power Corp. (KEPCO), now worth US$25.4M, about 5.3% of its recent annual revenue, running through May 2026.
Supply contract · Feb 10 - [Amended] Supply contract signedSupply contract · Feb 2
- [Amended] Supply contract signedSupply contract · Jan 30