Thai Rung Union Car Public Company Limited
FROM A GREAT VISION
TO A DEEP PASSION
A leading integrated automotive company in Thailand, driving excellence for over 60 years with an unwavering commitment to innovation.
From world-class design and component manufacturing to premium vehicle assembly.
Build Your Trust
60 Years of Automotive Excellence
Since 1967, Thai Rung Union Car has delivered quality vehicles trusted by businesses in Thailand and beyond.
60+
Over 60 Years of
Automotive
10+
กว่า 10 บริษัท ในเครือ และบริษัทร่วมทุน
2.5B+
รายได้รวมมากกว่า 2.5 พันล้านบาท
275M+
กำไรสุทธิประจำปีเติบโตมากกว่า 275 ล้านบาท
Our Services

Research & Development
Providing advanced design and engineering solutions powered by modern technology, creating innovative automotive products that address the mobility needs of the future.

Dies, Moulds & Fixtures
Manufacturing high-precision stamping dies, injection molds, and custom jigs & fixtures to
ensure efficient and reliable production processes.

Multi-Purpose Car
Versatile vehicles under our signature
TR Transformer brand, fully customizable to deliver superior performance for every demand.

Auto Parts Production
Comprehensive automotive parts manufacturing powered by state-of-the-art machinery and high-volume capacity-trusted by leading global automotive OEMs and assemblers.

Vehicle Assembly & Seat Covering
Complete vehicle body assembly and installation services, with quality control at every stage according to OEM standards.

EDP & Painting
OEM-standard rustproof coating and painting services, enhancing durability, ensuring a smooth and consistent finish, and delivering vehicles ready for handover.
About Technology

Styling & Graphics Design
Focusing on the seamless integration of artistry with the distinctive identity of the Thai Rung (TR) brand, our designers develop design lines, sketches, and 3D models to define the body structure and overall appearance of multipurpose and special-purpose vehicles.

Engineering Design
Powered by advanced and efficient engineering technologies, our engineering team utilizes sophisticated CAD software to calculate, research, and develop vehicle structures, mechanical components, and safety systems. The design process emphasizes flexibility, speed, and practical manufacturability through a Design for Manufacturing (DFM) approach.

Reverse Engineering
High-precision 3D scanning technology is used to convert physical objects into digital data, enabling detailed analysis of existing structures, defect inspection, performance enhancement, and application in the development of molds, jigs, and fixtures.

Prototype Development
The development of prototypes and structural components enables the evaluation of proportions, fit, and real-world usability. This stage is crucial for verifying component compatibility and assembly, helping to minimize design errors and control production costs.

Experimental Testing
Prototype products undergo testing under various simulated conditions to evaluate structural strength, resistance to torsional forces and impacts, as well as environmental durability. These tests help ensure that every product meets the highest safety standards in compliance with applicable regulations and customer requirements.

Production Technology
From molds & dies to jigs & fixtures, robotic assembly lines, contract painting, and press part stamping — all backed by IATF 16949, ISO 9001, and
Including the press parts manufacturing process, which is certified to international standards such as IATF 16949, ISO 9001, and ISO 14001.
Sustainability
At Thai Rung Union Car, we are deeply committed to environmental responsibility, social well-being, and good corporate governance (ESG). Our state-of-the-art facilities and services are designed to support sustainable growth while maintaining the highest standards of quality and safety.
Corporate Governance
The directors, executives, and employees of the Thai Rung Group do not support or tolerate corruption in any form, whether direct or indirect, for the benefit of themselves, their families, friends, or acquaintances, from any person or party conducting business with companies within the Group.
Whistleblowing
We provide employees and stakeholders with the opportunity to freely express their opinions and report any suspected illegal or unethical conduct here.














