Dongyang S.TEC

Name

Dongyang S.TEC

Legal name

주식회사 동양에스텍

Website

https://dystec.co.kr

Company type

Public

Founded year

1981

Operating status

Operating

Ownership category

akta.pro rank

Product category

Steel Processing and Manufacturing

NAICS

Plate Work and Fabricated Structural Product Manufacturing (33231), Steel Product Manufacturing from Purchased Steel (3312), Plate Work Manufacturing (332313)

SIC

Fabricated Structural Metal Products (3440), Fabricated Plate Work (Boiler Shops) (3443), Sheet Metal Work (3444)

akta.pro primary industry

Steel Plate, Sections & Welded Assemblies (IMADACAD)

akta.pro secondary industries

Steel Service Centers & Processing (Slitting, Cut-to-Length, Blanking, Leveling) (IMAKABAL), Metals & Steel Mill Facility Construction (IMAFADAF)

Keywords

• Steel processing services
• Hot-rolled steel products
• Structural steel fabrication
• Welded H-beams
• Steel plate manufacturing

Headquarters

HQ city

Daejeon

HQ country

South Korea

HQ region

Asia

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Steel Product Sales: Sale of steel processed products including hot-rolled coils/sheets, plates, structural steel (H-beams, angles, channels), and fabricated steel components. Revenue is generated through direct sales to end customers in construction, shipbuilding, machinery, and automotive industries. The company processes POSCO steel materials and also handles imported steel.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Dongyang S.TEC manufactures and processes steel products including hot-rolled steel coils/sheets, thick steel plates, structural steel shapes (H-beams, channels, angles), and fabricated steel components such as POS-H seismic H-beams, BH-Beams, and INNOVILT-branded construction solutions. The company operates as POSCO's authorized processing center, supplying certified steel materials and pre-fabricated components to shipbuilders, construction firms, machinery manufacturers, automotive parts makers, and energy/petrochemical companies. It also provides custom steel plate processing services (cutting, shearing, welding) and operates an integrated one-stop service from raw material processing through fabrication and assembly.

Product overview

Dongyang S.TEC is a POSCO processing center with 40 years of experience in steel manufacturing. The company operates a unified product portfolio focused on steel processing and manufacturing, centered around its core steel products (POS-H seismic H-beams, BH-BEAM welded beams, hot-rolled products, plate products, shape steel, and steel plate processing) and the INNOVILT premium construction material brand developed with POSCO (featuring S-Column, DIB ground reinforcement, and STP small-diameter piles). The company also offers standardized sheet and plate products through its subsidiary DYSM, serving precision metal component需求 for semiconductor, machinery, automotive, and construction industries.

Differentiator

Problem solved

Functional benefit

Brands

• POS-H: High-performance seismic-resistant SN-grade welded H-beam produced using POSCO steel, allowing 10-20% material reduction compared to conventional H-beams.
• BH-BEAM
• INNOVILT
• S-Column
• DIB (지반가시설)
• STP (소구경 파일)

Products and services

• POS-H High-performance seismic-resistant welded H-beam manufactured using POSCO SN-grade steel that delivers 10-20% steel weight reduction compared to conventional H-beams. Designed for earthquake-resistant construction applications.
• BH-BEAM (BH 띠장) Welded H-beam (Built-up H-beam) produced by factory fabrication with flange widths 200-800mm and web capacity up to 3,500mm. Enables construction period reduction of approximately 60% versus traditional methods through factory fabrication that minimizes stiffener fabrication and welding processes on site.
• Hot-Rolled Products (열연제품) Hot-rolled steel sheets and coils rolled at approximately 800℃ or higher in Finishing Mill, also known as hot-rolled steel plate, H/C, or HR products. Produced at Pohang Plants 1 and 2 from POSCO steel.
• Plate Products (후판제품) Thick hot-rolled steel plates typically 6mm or thicker, used as critical welded structural members for shipbuilding, construction, pressure vessels, and boilers. Subject to requirements for chemical composition, mechanical properties, dimensions, shape, surface quality, and internal quality.
• Shape Steel Products (형강제품) Various structural steel shapes including H-beams, channels, angles, I-beams, sheet piles, rails, reinforcing bars, and round bars in standard and custom specifications.
• Steel Plate Processing (철판가공) Custom steel plate processing services including CNC plasma cutting (plates up to 40mm thick, 5,500mm wide, 25,000mm long), CNC gas cutting (up to 200mm thick, 5,500mm wide, 18,000mm long), and hydraulic shearing for customers in construction, shipbuilding, and industrial machinery.
• INNOVILT Premium Construction Brand Premium construction material brand co-developed with POSCO combining innovative technology and eco-friendly iron values. Encompasses S-Column structural columns, DIB ground reinforcement systems, and STP small-diameter piles under the INNOVILT name.
• Anka Tie Material (앵카 띠장재) Tie material product used in construction applications for anchoring and tie-bar work.
• DYSM Standard Sheet & Plate Standardized precision-cut sheet and plate metal components for industrial equipment manufacturing produced in Osan, Gyeonggi Province via subsidiary DYSM. Available in carbon steel (SS400, S45C), alloy steel (SKD11, SKD61), stainless steel (SUS304), and aluminum (AL6061) using proprietary DYPC cutting machines.

Quantifiable outcome

• 10-20% material reduction compared to conventional H-beams
• +2 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Six partnerships are on record, tiered strategic and core.

• Japanese Ministry of Land, Infrastructure, Transport and Tourism (일본 국토교통성)strategicStrategic or Co-development Partner · 1 December 2023Obtained H-GRADE certification from Japan's Ministry of Land, Infrastructure, Transport and Tourism through affiliate DongYang ENC in December 2023. This certification enables the sale of high-quality steel structures to Japan, a significant international market expansion.
• DY Solution (디와이솔루션)coreOthers · 1 January 2018Subsidiary specializing in asbestos and designated waste disposal. Established January 2018, located in Jincheon, Chungbuk. Claims to be Korea's largest asbestos disposal company with 72 tons/day processing capacity. Handles collection, transport, solidification, and final disposal of asbestos materials. CEO: Yoo Jae-ho.
• DongYang ENC (동양이엔씨)coreOthers · 1 November 2015Subsidiary specializing in large-scale steel structure construction. Established November 2015, located in Daejeon. Provides comprehensive steel structure services from 3D design (SHOP DWG) through fabrication, factory painting, and on-site installation including solar power systems. CEO: O Sun-chang.
• DYSM (디와이에스엠)coreOthers · 1 July 2014Subsidiary specializing in precision metal processing and standard Sheet & Plate manufacturing. Established July 2014, located in Osan, Gyeonggi Province. Produces precision-cut standard steel materials (SS400, S45C, SKD11, SUS304, AL6061) using proprietary DYPC cutting machines. CEO: Cho Nam-wook.
• DongYang RD (동양알디)coreOthers · 1 September 2001Subsidiary specializing in construction waste recycling and environmental solutions. Established September 2001. Handles construction waste collection/transport, building demolition, asbestos removal, and production of recycled aggregate materials. CEO: Cho Nam-wook.
• POSCO (포스코)coreStrategic or Co-development Partner · 1 January 1981POSCO is Dongyang S.TEC's primary steel material supplier and strategic partner. The company serves as POSCO's authorized processing center (가공센터) and has maintained this exclusive partnership since 1981. The relationship includes MES system integration, exclusive access to premium POSCO steel grades (including ATOS100 high-strength steel), and joint product development under POSCO's INNOVILT brand.

Scale indicators8 records

Recent moves11 records

Expansion highlights6 records

Direct peers

• Olympic Steel: US metals service center processing carbon and stainless steel plate, sheet, coil, and structural products; directly analogous to Dongyang S.TEC's POSCO processing-center service model, with similar relationships to upstream mills and downstream industrial customers.
• KG Steel: Korean H-beam and structural steel manufacturer with direct overlap in the welded-H-beam and structural sections market, serving construction and shipbuilding customers similarly to Dongyang S.TEC's POS-H and BH-BEAM lines.
• Commercial Metals Company: US-based vertically integrated steel manufacturer and recycler producing rebar, structural steel, and fabricated products; comparable business model of buying semi-finished steel, processing it into structural and plate products, and selling to construction and industrial customers.
• SeAH Steel Holdings: Korean specialty steel group active in steel pipe/tube, stainless, and engineered steel products, overlapping with Dongyang S.TEC in value-added fabricated steel products and construction-grade structural offerings within the Korean industrial customer base.
• Dongkuk Steel Mill: Major Korean manufacturer of cold-rolled, hot-rolled, and galvanized steel products including thick plates and structural sections, directly comparable to Dongyang S.TEC's HR/plate/structural steel processing business and operating in the same end markets.
• Hyundai Steel: Korea's largest non-POSCO integrated steelmaker, producing hot-rolled coils, plates, H-beams, and automotive sheet steel directly overlapping Dongyang S.TEC's core product portfolio and serving the same shipbuilding, construction, and automotive verticals in Korea.

Broad incumbents

• Nippon Steel Corporation: Largest Japanese integrated steelmaker offering plates, H-beams, and structural products comparable to Dongyang S.TEC's range; relevant now that Dongyang ENC holds H-GRADE certification to supply the Japanese steel-structure market.
• POSCO: Korea's flagship steelmaker and Dongyang S.TEC's exclusive supplier of 40 years; while they sit in parent-ecosystem positions rather than as pure competitors, POSCO's plate, HR, and SN-grade products directly overlap with Dongyang's downstream offering and any change in POSCO strategy materially affects Dongyang's economics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Dongyang S.TEC