QUAD International
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Partner with Technical Excellence

Ready to Discuss Your Industrial Scope?

From mechanical erection and plant commissioning to high-yield solar PV installations, our senior engineering leads are ready to mobilize.

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QUAD International Logo

Engineering, construction, and trading company based in Dhaka, delivering dependable mechanical, EPC, commissioning, and sustainable solar energy solutions across Bangladesh.

ASME & API Compliant Documented QA/QC

Core Services

  • Mechanical Construction
  • EPC Services
  • Project Erection & Commissioning
  • Solar Energy – Supply & Installation
  • Industrial AC Service & Supply
  • Material Import & Export
  • Project Management & O&M Support

Pages

  • About Company
  • Services Directory
  • Field Track Record
  • Contact & Location

Headquarters

415 Faydabad Dokkhin Para, Faydabad Madrasha, Dokkhinkhan, Dhaka-1230, Bangladesh
+880 1673 789551+880 1828 080970
quadint.bd@gmail.com

Mohammad Saiful Islam

Co-founder & Project Coordinator

© 2026 QUAD International. Dhaka-1230, Bangladesh. All rights reserved.

Industrial photography under Unsplash Editorial License.

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Service 01Mechanical Discipline
Mechanical Construction

Complete mechanical works for refineries, power plants, process facilities, and heavy industrial plants.

QUAD International executes end-to-end mechanical erection and fabrication works adhering to rigorous international standards (ASME B31.3, ASME BPVC). Our skilled crews handle heavy piping, complex structural steel, and critical static/rotating machinery.

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Mechanical Construction
Scope Breakdown
Execution Deliverables

Standard components included in our turnkey scope of work for this discipline.

Fabrication and installation of piping systems, pipe racks and supports
Installation of static equipment: vessels, columns, heat exchangers, storage tanks
Rotating equipment installation and precision alignment: pumps, compressors, turbines
Structural steel erection, welding, NDT coordination, hydrotesting and line flushing
Compliance & Quality
Standard Codes & Quality Protocols

Engineering standards followed for design, fabrication, and field inspections.

International Code Compliance

ASME B31.3 (Process Piping), ASME Section IX (Welder Quals), API 650 (Tanks), and NFPA safety standards.

Field Verification & Testing

Non-Destructive Testing (NDT/RT/UT), hydrostatic pressure testing, laser alignment, and certified QA documentation.

Related Core Disciplines

Explore All 7 Services
02Turnkey
EPC Services

Engineering, Procurement and Construction delivered under a single point of responsibility.

View Specifications
03Commissioning
Project Erection & Commissioning

Safe, systematic transition from mechanical completion to an energized, commercial running plant.

View Specifications
04Renewable
Solar Energy – Supply & Installation

High-efficiency rooftop & industrial solar PV systems, from engineering survey to grid connection.

View Specifications