Beyond Batteries and Fuel Cells,
BNF Envisions Energy
for the Planet, People, and the Future.
BnF is an energy innovation company dedicated to a sustainable world
Through cutting-edge battery and fuel cell technologies, we provide eco-friendly energy solutions that drive scalable growth—like a vast forest.
Our energy is more than technology; it¡¯s a commitment to people, nature, and future generations.


We pursue continuous technological innovation to deliver sustainable energy solutions, fulfilling our responsibility to the planet and future generations.
We prioritize trust with our customers, partners, and society, ensuring sustainable growth through transparent management and ethical responsibility.
We foster an energy ecosystem where customers, society, and the environment grow together in harmony.
service
Business
Battery Division
BMS (Battery Management System)
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Monitoring
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Remote Communication
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Measurement of Various Parameters
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Battery Protection
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Diagnostic Evaluation
Maintains optimal battery condition through real-time diagnostics of battery status and surroundings
Ensures safe and efficient power usage through BMS
Fuel Cell Division
Optimized Process Technology / High Power Output / Enhanced Long-Term Durability
TECHNOLOGY
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Electrode Design Technology
- •Adjustment of catalyst composition through collaboration with partners
- •Porosity and dispersibility control using functional additives
- •Ionomer nano-dispersion
- •Electrode design tailored to customer operating conditions
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MEA Interface Design
- •Uniformity across MEA layers
- •Enhanced adhesion between electrode and membrane
- •Bonding technology customized by material type
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Supply Chain Management
- •Application of in-house developed materials(e.g., sub-gasket, GDL bonding)
- •Secured sourcing channels for key materials
- •Improved proton transfer through the interface
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Manufacturing Process Technology
- •Possession of various MEA production concepts
- •Established ISO-compliant quality processes
- •Annual production capacity of 500,000 cells
Electronics Division
Expanding Solutions Through Precision Film Processing Technology
BNF¡¯s Electronics Division offers advanced die-cutting, laminating, and slitting technologies for functional films and tapes. Based on our core expertise in precision processing, we provide industry-specific, customized solutions across multiple sectors.
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Core Business Areas
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Display Industry
LCD, OLED, and Micro-LED applications requiring high-precision processing -
Emerging Industries
Medical devices, energy materials, and cosmetic patches
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Display Industry
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Production Infrastructure
- Manufacturing sites in Daegu, South Korea and Bac Ninh, Vietnam
- Flexible response from high-mix, low-volume to full-scale automated production
- Optimized for OEM / ODM development and manufacturing
- Over 20 years of industry experience and technical expertise
Beyond displays, into broader possibilities.
BNF Electronics Division is ready to grow with you.
Careers

Growth Mindset
A commitment to continuous learning and personal development

Ownership
A strong sense of responsibility and initiative in solving problems independently

Problem-Solving
The capability to approach challenges with logical thinking and creative solutions

Agility
The ability to respond quickly and flexibly to change and uncertainty

Empathy & Collaboration
Respect for diversity, with a collaborative spirit that fosters mutual growth through communication and teamwork
Recruitment Process
Document Screening > Practical Interview > Executive Interview (may be conducted concurrently) > Final Selection
How to Apply
Visit the ¡°Saramin¡± official website > Search for BnF Co., Ltd (Electronics Division / Battery Division / Fuel Cell Division) job postings > Submit your application
Contact
shchu@mybnf.co.kr
350 ¸í
Total Employees500 ¾ï
Annual Revenue43 ¾÷ü
Happy Clients8 °³
Certificates4 °³
Registered Patentscontact
Electronics Division
13, Hosan-dong-ro, Dalseo-gu, Daegu, South Korea
Battery Division
2F, 21 Supyeong 1-gil, Iwol-myeon, Jincheon-gun, Chungcheongbuk-do, South Korea
Fuel Cell Division
3F, 21 Supyeong 1-gil, Iwol-myeon, Jincheon-gun, Chungcheongbuk-do, South Korea
Phone 070-5029-0141
E-mail dpchang@mybnf.co.kr
AM 08:00 ~ PM 06:00
LUNCH: 12:00 - 13:00
OFF: Sat,Sun,Holidays