A company creating value through technology

BUMMA Unitech is an auto-parts manufacturer headquartered in Gangseo-gu, Busan, South Korea, running an integrated production line from cold forging to machining and designing its own automated measurement and inspection systems in-house. Built around 3 divisions — Manufacturing, Automation, and R&D — the company has maintained long-term technical exchange with partners in the US, Europe, and Japan. Inquiries: 051-831-9877. (As of 2026)

Through long-standing exchange with advanced markets such as the US, Europe, and Japan, we have built up the technology and know-how to offer customers the best quality, the most competitive price, and the best service.

As a leading Korean manufacturer of auto parts and automated measurement/inspection equipment, BUMMA Unitech will keep striving to be our customers' permanent partner.

Our Business

BUMMA Unitech — a world-class company with a dream and a future
DivisionKey Products / Services
R&D CenterDeveloping innovative products and automation equipment for Industry 4.0
Automation DivisionAutomatic measurement and inspection for hub bearings, wind-turbine bearing assembly and inspection systems, and custom measuring/testing equipment
Manufacturing Division: Cold ForgingAutomotive engine parts, bearing balls, bolts, and other industrial cold-forged products
Manufacturing Division: MachiningMass-production machining of ball studs, automotive engine components, and various hydraulic/pneumatic parts
BUMMA Unitech Co., Ltd. - R&D Center

R&D Center

Developing innovative products and automation equipment for Industry 4.0

BUMMA Unitech Co., Ltd. - Automation Division

Automation Division

Automatic measurement and inspection for hub bearings, wind-turbine bearing assembly and inspection systems, and custom measuring/testing equipment

BUMMA Unitech Co., Ltd. - Manufacturing Division: Cold Forging

Manufacturing Division: Cold Forging

Automotive engine parts, bearing balls, bolts, and other industrial cold-forged products

BUMMA Unitech Co., Ltd. - Manufacturing Division: Machining

Manufacturing Division: Machining

Mass-production machining of ball studs, automotive engine components, and various hydraulic/pneumatic parts

Many customers already rely on BUMMA Unitech.

We always deliver the value our customers need.

BUMMA News

  • BUMMA Unitech donates residential fire-safety equipment to Miryang Fire Station

    BUMMA Unitech donates residential fire-safety equipment to Miryang Fire Station

    2020-10-07

    The Ministry of Trade, Industry and Energy and KITA honored trade contributors at COEX, Seoul on the morning of the 7th...

  • Awarded the Prime Minister's Citation at the 55th Trade Day ceremony

    Awarded the Prime Minister's Citation at the 55th Trade Day ceremony

    2020-10-07

    The Ministry of Trade, Industry and Energy and KITA honored trade contributors at COEX, Seoul on the morning of the 7th...

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Frequently Asked Questions

What kind of company is BUMMA Unitech?

BUMMA Unitech is an auto-parts manufacturer based in Gangseo-gu, Busan, running an integrated line from cold forging to machining, and it also designs and builds its own automated measurement and inspection equipment. The company operates through 3 divisions — Manufacturing, Automation, and R&D — and has maintained long-term technical exchange with the US, Europe, and Japan.

What are BUMMA Unitech's main business areas?

There are 3 core areas: cold forging of auto engine parts, bearing balls, and bolts; precision machining of ball studs and other parts; and an Automation Division that builds automatic measurement and inspection systems for hub bearings and wind-turbine bearings. The R&D Center develops Industry 4.0-based innovative products and automation equipment.

Where is BUMMA Unitech located, and how can I contact them?

BUMMA Unitech's headquarters is at 11, Hwajeonsandan 5-ro 84beon-gil, Gangseo-gu, Busan, South Korea. You can call 051-831-9877 or send a fax to 051-831-5610 during weekday business hours.

Does BUMMA Unitech work with overseas clients?

Yes — BUMMA Unitech is an auto-parts and automation-equipment manufacturer that has maintained long-term technical exchange with companies in the US, Europe, and Japan. Its accumulated technology and know-how allow it to offer overseas clients competitive quality, pricing, and service.

Does BUMMA Unitech build its own automated inspection equipment?

Yes — the Automation Division designs and manufactures hub-bearing automatic measurement and inspection systems, wind-turbine bearing assembly/inspection systems, and custom measuring and testing equipment in-house. Beyond standard products, it also builds equipment tailored to specific customer requirements.

How do I request a consultation or meeting?

Call 051-831-9877 or send a fax to 051-831-5610, and a staff member will guide you to the right business division. Meetings about overseas partnerships or business expansion can also be arranged in advance by phone.

Last updated: 2026-09-15