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HVAC ductwork and EPC systems in a building.

EPC Contractor for Industrial and Factory in Indonesia

PT. Woojin Construction Indonesia is an EPC contractor specializing in industrial and factory construction, specializing in mechanical, electrical, plumbing engineering solutions across Indonesia.

Engineers inspecting EPC electrical equipment in a facility

About Our Company

PT. Woojin Construction Indonesia is a construction company specializing in industrial and factory facilities in Indonesia. The company was established in 2011 and is located in Cikarang, Bekasi, West Java.

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Woojin provides four core construction services: mechanical, electrical, plumbing, and architecture/civil construction. The services support the development, expansion, and improvement of factories, production buildings, warehouses, offices, and other specialized facilities.

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Our project experience includes work for clients in the automotive, pharmaceutical, electronics, footwear, fragrance, and other manufacturing industries.

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We believe that successful construction depends on clear communication, careful technical coordination, responsible execution, and a strong understanding of the client's operational requirements.

Company Overview

2011

MEP

EPC

Established

Core offerings

Business Classification

Our Milestones

Vision, Mission, & Core Strategy

Vision

Workers installing EPC cable trays on a construction site.

Core Strategy

Become No.1 MEP Contractor

1. QUALITY: Zero Defect & Standardization
2. TIME: Lean Construction & Efficiency
3. GROWTH: Cost Competitiveness & Client Profit

Mission

Excellence through rigorous quality and time management - achieving client trust and sustainable growth

Our Values

We fulfill our commitments and take responsibility for our work

Reliability

We use construction knowledge and technical experience to support practical project solutions

Capability

We listen to client requirements and aim to provide responsive service

Client Focus

We conduct business professionally, ethically, and transparently

Integrity

We promote safe working practices throughout project planning and execution

Safety

We coordinate effectively with clients, consultants, suppliers, subcontractors, and project stakeholders

Collaboration

Our Commitment to
Quality and Safety

Quality and safety are essential to every successful industrial construction project.
At PT. Woojin Construction Indonesia, we integrate technical coordination, project supervision, regulatory awareness,
and safe working practices into our project delivery approach.

Quality Management

We deliver work that meets all client, technical, and regulatory standards through close engineering and construction collaboration to solve technical challenges.

Safety
Management

We prioritize safety at every stage by embedding constinuous oversight, proactive planning, and teamwork into site execution and coordination.

Safety
Performance

PT. Woojin Construction Indonesia achieved zero safety accidents during the past three years.

Regulatory Compliance

Safety is embedded across planning, execution, and coordination through constant supervision and team collaboration.

Client
Satisfaction

We prioritize client satisfaction by taking full accountability through completion and remaining responsive post-handover.

Our Organizational Structure

We are supported by an integrated organizational structure that connects company leadership, operations, engineering, construction management, and project execution. This structure enables our teams to coordinate effectively, respond to client requirements, and deliver electrical, mechanical, cleanroom, factory construction, and industrial facility projects with clear responsibilities.

Organizational chart

Taeyoung Yoo supports construction execution and site management, with experience in architecture, economics, and construction supervision.

Taeyoung Yoo

Sangwoo Lee oversees operations and supports successful project delivery. He holds a Master of Engineering with First Class Honours.

Sangwoo Lee

Munsoo Pak leads engineering activities, with experience in shop drawings, engineering coordination, and construction management.

Munsoo Pak

Our Leadership and Technical Team

Our leadership and technical team bring experience in industrial construction, engineering, architecture, project management, and facility development. Their combined experience supports our ability to coordinate complex projects and respond to the technical, operational, and regulatory requirements of industrial clients.

Hojong Lee leads PT. Woojin Construction Indonesia, with experience in construction, electronics, and major industrial projects.

Hojong Lee

Certifications and Licenses Page

PT. Woojin Construction Indonesia maintains relevant certifications and business documentation
to support responsible operations and industrial project delivery.

Enterprise Number

Business Registration Number

ISO Certificate

ISO 9001:2015 & 37001:2016

Quality & Anti-Bribery

Registered Number sertificate PT Woojin Construction Indonesia

Business Activities

Spacial Utilization

SBU - Mechanical Electrical PT Woojin Construction Indonesia

SBU - ME

Mechanical Electrical

Spacial Utilization PT Woojin Construction Indonesia
Electrical Supporting Services LV & MV Installation PT Woojin Construction Indonesia

LV & MV Installation

Electricity Supporting Services

SBU - K.Gedung Industri PT Woojin Construction Indonesia

Construction Business Entity

SBU - K. Gedung Industri

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