Dongil Steel Co

What Dongil Steel Co does

Dongil Steelux Co., Ltd. (동일스틸럭스(주), formerly Dongil Steel) is a Korean steel bar manufacturer founded in July 1967 and listed on KOSDAQ under code 023790. Headquartered at 46, Gaya-daero, Sasang-gu, Busan, with a factory area of 9,045 m², the company produces specialty steel bars and sections via hot rolling and cold drawing. Its product portfolio centers on cold-drawn precision bars (round, square, hexagonal, rectangular — dimensions from 6 mm to 106 mm across carbon, alloy, bearing, spring, and stainless steel grades) and hot-rolled products (round bars, angles, channels), with combined annual nameplate capacity of approximately 24,000 tons of cold-drawn and 33,600 tons of hot-rolled round bar. Capabilities include precision cold drawing to h7-h12 tolerances, heat treatment (annealing at 600–700 °C), and non-destructive testing using eddy current, ultrasonic, and magnetic particle methods, supported by ISO 9001, KS, and six maritime classification society certifications (KR, ABS, RINA, BV, GL, NK).

The company sells primarily through a small direct B2B sales team to industrial manufacturers in automotive, machinery, construction, shipbuilding, and fastener sectors, both domestically in Korea and via direct export to the USA, Southeast Asia, and the Middle East. Pricing is quote-based on grade, specification, quantity, and delivery terms; no public list pricing is disclosed. The reported 2019 sales were 26.561 billion KRW and 2021 sales were 34.4 billion KRW (approximately $25M USD), with a sharply declining trend through 2024 and a partial rebound in 2025. Recent corporate actions — suspension of the section shape steel line (April 2019), sale of major tangible assets (May 2019), a 2025 rights offering, and the ongoing creditor-led divestiture of Daesun Shipbuilding shares (announced in progress as of 2026-07-20) — indicate active balance-sheet restructuring and contraction toward the core steel bar business.

Name

Dongil Steel Co

Legal name

Dongil Steelux Co., Ltd.

Website

https://dongilsteel.com

Company type

Public

Founded year

1967

Operating status

Operating

Headcount range

11–50 employees

Short description

Dongil Steelux Co., Ltd. is a Korean (Busan-based, KOSDAQ-listed) specialty steel bar manufacturer producing cold-drawn and hot-rolled round, square, hexagonal, and angle/channel bars for automotive, machinery, construction, fastener, and shipbuilding customers domestically and in the USA, Southeast Asia, and Middle East.

Ownership category

akta.pro rank

Product category

Specialty Steel Manufacturing

NAICS

Rolling and Drawing of Purchased Steel (33122), Steel Product Manufacturing from Purchased Steel (3312)

SIC

Steel Works, Blast Furnaces & Rolling & Finishing Mills (3310)

akta.pro primary industry

Hot Rolling & Primary Mills (Plate, Hot-Rolled Coil/Sheet, Strip) (IMAKABAE)

akta.pro secondary industries

Cold Rolling & Finishing (Cold-Rolled Coil/Sheet, Temper, Skin Pass) (IMAKABAF), Specialty & Alloy Steel (Stainless, Tool Steel, Electrical Steel, High-Strength/HSLA) (IMAKABAJ)

Keywords

• Cold drawn steel bars
• Hot rolled steel products
• Specialty steel manufacturing
• Precision steel machining
• Structural steel sections

Headquarters

HQ city

Busan

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Infrastructure

Revenue model

1. Steel Product Sales: Direct sale of manufactured steel products including cold-drawn steel round bars, hot-rolled steel round bars, angles, channels, square bars, hexagonal bars, and rectangular bars to industrial customers in automotive, machinery, construction, shipbuilding, and fastener sectors. Revenue generated from domestic Korean sales and export sales to USA, Southeast Asian, and Middle Eastern countries. 2019 sales reported at 26.561 billion KRW.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

Dongil Steel Co manufactures and sells specialty steel bars and sections through hot-rolling and cold-drawing processes, supplying cold-drawn steel round, square, hexagonal, and rectangular bars and hot-rolled steel round bars, angles, and channels to industrial customers in automotive, machinery, construction, shipbuilding, and fastener sectors. Production is anchored by a 9,045㎡ Busan factory with annual capacity of 24,000 tons of cold-drawn steel round bar and 33,600 tons of hot-rolled steel round bar, supported by annealing, eddy current/ultrasonic, and magnetic particle testing.

Product overview

Dongil Steelux Co., Ltd. is a steel manufacturer that produces specialty steel bars and sections through hot-rolling and cold-drawing processes. The product portfolio consists of two main product lines: cold-drawn steel products (round bar, square bar, hexagonal bar, rectangular bar) manufactured through cold-drawing for precision applications, and hot-rolled steel products (round bar, angle, channel) for structural applications. These products serve industries including automotive, machinery, shipbuilding, construction, and fasteners.

Differentiator

Problem solved

Functional benefit

Products and services

• Cold Drawn Steel Round Bar Cold-drawn steel round bar produced from hot-rolled bars via a cold-drawing process, available in carbon, alloy, bearing, and stainless steel grades, used in automobile parts, machine parts, bolts, nuts, and various shaft applications.
• Cold Drawn Steel Square Bar Cold-drawn square bar manufactured from hot-rolled bars, used in automobile precision parts, hydraulic fittings, shipbuilding materials, rails, and bolts/nuts.
• Cold Drawn Steel Hexagonal Bar Cold-drawn hexagonal bar produced through the cold-drawing process for precision parts requiring high-precision dimensions and surface quality.
• Cold Drawn Steel Rectangular Bar Cold-drawn rectangular bar produced from hot-rolled bars for precision industrial applications.
• Hot Rolled Steel Round Bar Hot-rolled steel round bar produced from billets at high temperatures, available in carbon steel, alloy steel, and bearing steel grades, in a 25–106mm size range, used as raw material input for downstream manufacturing and structural applications.
• Angle (Equal and Unequal) Equal-sided and unequal-sided angle steel with right-angled legs, used for truss members, shipbuilding, and iron towers.
• Channel Asymmetric channel section steel with two flanges on one side of the web, used for trusses, braces, studs, and mild bending materials due to convenient assembly and joint features.

Quantifiable outcome

• Annual production capacity: Cold Drawn Steel 24,000 tons, Hot Rolled Steel 33,600 tons
• +1 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered minor.

• Fine Besteel Co., Ltd.minorOthers · 1 September 2007Affiliate company established in September 2007. Area: 89,446㎡. Products include Inverted Angle, Unequal Angle, Equal Angle, Channel, and I-Beam. Located in Changnyeong-gun, Gyeongsangnam-do, Korea. Phone: +82-55-259-2000.
• DAESUN Shipbuilding&Engineering Co., Ltd. (Dadae)minorOthers · 1 January 1999Affiliate company established in 1999. Area: 178,500㎡. Products include shop assembly, painting, and goliath crane. Located in Saha-gu, Busan, Korea. Phone: +82-51-419-3000. Sale of shares currently in progress led by creditor group as of July 2026.
• Fine International Corp.minorOthers · 1 February 1996Affiliate company established in February 1996. Products include H-Beam, I-Beam, Plate, Angle, Channel, etc. Located in Sasang-gu, Busan, Korea. Phone: +82-51-796-7000.
• DAESUN Shipbuilding&Engineering Co., Ltd. (Yeongdo)minorOthers · 1 January 1955Affiliate company established in 1955. Area: 13,900㎡. Products include floating dock and dry dock. Located in Yeongdo-gu, Busan, Korea. Phone: +82-51-419-5000.

Scale indicators7 records

Recent moves11 records

Expansion highlights4 records

Broad incumbents

• voestalpine AG: Austrian steel and technology group with a specialty steel bar and long-products division supplying automotive, railway and energy customers. Comparable end-markets and quality positioning but operates at significantly larger scale and broader geographic footprint.
• POSCO: Largest Korean steelmaker producing flat, long and specialty products across automotive, construction, shipbuilding and energy. Overlaps with Dongil in Korean industrial and shipbuilding customers but competes across the full steel value chain with materially greater scale.
• Nippon Steel Corporation: Global integrated steelmaker with extensive specialty and long products. Competes in the same Korean and broader Asian industrial customer set as Dongil but with vastly larger capacity and broader grade coverage.
• Hyundai Steel Company: Major Korean integrated steelmaker with long products, sections and rebar serving construction, automotive and shipbuilding. Overlaps with Dongil in bar and section supply but at substantially larger scale and broader product breadth.

Direct peers

• Dongkuk Steel Mill Co., Ltd. Korean steel producer with rolled steel sections and bars serving construction, shipbuilding and industrial customers. Comparable in product family (sections and bars) and in Korean maritime / industrial customer base.
• Carpenter Technology Corporation: US specialty alloys producer with high-value bar, billet and wire products for aerospace, medical, automotive and industrial markets. Comparable in precision specialty bar output, NDT/quality programs, and reliance on certifications as a commercial gatekeeper.
• Saarstahl AG: German long-products steelmaker producing bar and wire rod in carbon, alloy and stainless grades for automotive, machinery and energy customers. Directly comparable in long-product bar focus and export-oriented industrial customer mix.
• Sanyo Special Steel Co., Ltd. Japanese manufacturer of high-quality specialty steel bars (bearing steel, alloy steel) for automotive and industrial use. Closely matches Dongil's bearing and alloy steel bar offerings, precision finishing, and use of cold-drawing/heat treatment for tight-tolerance applications.
• SeAH Steel Corporation: Korean specialty steel producer manufacturing bars, pipe and tube from carbon, alloy and stainless grades. Closely comparable in product mix (rolled/drawn steel bar) and in serving automotive, machinery and shipbuilding customers domestically and via export.
• Ovako AB: European specialty steel bar producer focused on engineering steel, bearing steel and hot-rolled/cold-drawn bars for automotive and industrial OEMs. Comparable as a niche, non-integrated specialty bar specialist competing on quality and certifications rather than scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/dongil-steel-co-ltd

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Dongil Steel Co