Engineering · Purchasing · Construction · Installation · Commissioning

Full-Cycle
EPCIC
Plant Solutions

Based in Ulsan, Korea — Daeyeon delivers integrated EPCIC services for industrial plant projects, onshore and offshore.

11
Global Clients
3,300㎡
Plant Size
10t
Crane Load
20
Specialists
E
Engineering
P
Purchasing
C
Construction
I
Installation
C
Commissioning
Company Introduction

Industrial Plant
Engineering Partner

Company
DAEYEON
(주)대연
C.E.O
Dae Yeong, Yun
Established
April 12, 2021
Contact
+82 (0)52 264 1900
Address
137-17 Bancheonbansongsaneop-ro, Eonyang-eup, Ulju-gun, Ulsan
Plant Size
42m × 15m (3,300㎡)
Plant Height / Crane
10m height · 10ton crane
Daeyeon Plant Facility
Partner Plant · Gyeongju, Korea
2026 Expansion Plan
Plant Relocation
& Expansion

Daeyeon's plant is planned to be relocated for expansion.

Period
Sep – Dec, 2026
Candidate Location
Ulsan Ulju · Busan Ganseogu
New Plant Size
4,960 – 6,620 ㎡
Weight Load
10t – 50t
What We Do

Our Services

Fabrication Structure Fabrication Structure
Fabrication — Structure

Steel structure fabrication including supports, decks, skids, and other custom structural components.

SupportDeck SkidE&IInstallation
Fabrication Packaging Fabrication Packaging
Fabrication — Packaging

Precision packaging unit fabrication with integrated E&I installation and purge.

PackagingE&I PurgeInstallation
Offshore Commissioning
Commissioning — Off-Shore

Offshore commissioning covering equipment installation.

EquipmentInstallation
Maintenance Maintenance
Maintenance — Off-Shore

Offshore facility maintenance including structural and facility work.

Structure & FacilityOffshore
Over Haul Over Haul
Maintenance — Over Haul

Over Haul for offshore facilities.

Over Haul
AS for Hydro Comp. AS for Hydro Comp.
AS — Hydro Compressor

After-sales service for Hydro Compressors including commissioning, parts supply, installation, purge, leak test, and running test.

PartsInstallation PurgeLeak TestRunning Test
Quality & Compliance

Certifications

ISO 9001
ISO 9001
ISO 45001
ISO 45001
ISO 14001
ISO 14001
⚓
DNV Class
DNV Class for WPS & DNV Class for Factory
📋
Construction Business Registration
International Trade Membership · Certificate of Shipbuilding Material/Equipment Company
💡
Patent × 2
Customer & Reference

Our Clients

SAMSUNG HEAVY INDUSTRIES Korea
HANWHA CHEMICAL Korea
HYOSUNG HEAVY INDUSTRIES Korea
SEJIN HEAVY INDUSTRIES Korea
YoungKwang Korea
AtlasCopco Korea
PHILIP MORRIS Korea Branch
SIEMENS Germany
KOBELCO Japan
DENORA Singapore
COMAS Italy
Structure 1
Structure 2
Structure 3
Packaging 1
Packaging 2
Packaging 3
Offshore Commissioning
Offshore Maintenance 1
Offshore Maintenance 2
Contact

Get In Touch

📞
Phone
+82 (0)52 264 1900
📍
Address
137-17 Bancheonbansongsaneop-ro,
Eonyang-eup, Ulju-gun, Ulsan,
Republic of Korea
Daeyeon Work