Chennai's Top Choice for Electronics Manufacturing Service

Based in Chennai’s Oragadam industrial hub, 3B Electronics blends advanced technology and deep expertise to elevate your innovations.

Indian Male Worker Disassembling Laptops To Recycle Electronic Components For Microchip Production At An Electronics Factory With Robotic Arms. Man Unscrewing Displays, Sorting Them Out

Pick and Place robot machine: SMD Assembly of electronic components on a motherboard

About us

Since 1990: Trusted EMS Solutions Built on Experience

3B Electronics is a Korean-owned EMS company, established by ILSHIN TECHNOLOGY — a leading electronics manufacturer with over 30 years of experience.
Based in Oragadam, Chennai, we were founded to deliver high-quality electronics manufacturing services (EMS) across various industries, with a special focus on automotive electronics.

Our slogan

“Break limits. Boost potential. Build with Benevolence.”

Go beyond limits and open the way to change.
Boost potential and drive growth — for our partners, teams, and technologies.
We bring benevolence to everything we do — in how we build, work, and grow together.

Our Services / Capabilities

✔ Surface Mount Technology (SMT)
✔ Selective & Wave Soldering
✔ Conformal Coating & Visual Inspection
✔ Final Assembly
✔ Functional Testing & Quality Assurance

Component Installation and Quality Control of Black Circuit Board. Fully Automated PCB Assembly Line Equipped with High Precision Robot Arms at a Factory. Electronic Devices Manufacturing Industry

High-Reliability EMS

Automotive-Grade Manufacturing, Trusted Worldwide

Full-spectrum EMS solutions designed for precision, reliability, and performance — from SMT to final assembly.

Component Installation on Circuit Board. Fully Automated Modern PCB Assembly Line Equipped with Advanced High Precision Robot Arms at Bright Electronics Factory. Electronic Devices Production Industry.

Precision Circuit Board Assembly

High-reliability SMT assembly with strict quality control to ensure performance in demanding automotive environments.

Selective/Wave Soldering Expertise

Precision selective soldering for high-density PCBs, ensuring consistent joints with minimal thermal stress.

The interior of an empty hospital operating room

ESD & Cleanroom Handling

Controlled ESD-safe handling and assembly in clean environments to maintain product integrity and quality.

High-Tech Factory: Quality Control Engineer Checks Electronic Printed Circuit Board it for Damages. In the Background Assembly Line for PCB with Surface Mount Pick and Place Technology.

Automotive-Grade Process Control

Every step of our EMS process is aligned with IATF and OEM standards for complete traceability and zero-defect goals.

Trusted by Global Leaders in Automotive Electronics

Proven EMS Partner for Global Tier-1 Suppliers

Automotive leaders like Hyundai KEFICO, LG Innotek, Bosch, and Valeo trust 3B Electronics for certified, reliable electronics manufacturing.
With over 25 years of experience and a fully compliant IATF 16949 system, we deliver production excellence — right from Chennai.

✔ Automotive-grade production line
✔ ISO 9001 / IATF 16949 compliant processes
✔ Local support in India with global standards
✔ Trusted by Tier-1 suppliers

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At 3B Electronics, we believe that true quality comes from experience, discipline, and relentless innovation. Our Chennai plant is not just a facility — it's an extension of our belief in building reliable, high-performance electronics for the future of mobility. Thank you for trusting us as your manufacturing partner.

- Joongjoo Park, Group CEO, ILSHIN TECHNOLOGY / 3B Electronics

Hello! We believe strong partnerships are built on quality, communication, and trust. At 3B Electronics, our mission is to enable global customers to scale with confidence through precision-driven manufacturing in India.

- Sungil Hwang, Managing Director, 3B Electronics

Get in Touch With Us

Contact 3B Electronics in Chennai for high-quality automotive electronics assembly inquiries.