Site history lists supply to vehicle and engine plants in Japan, the USA, the UK, Spain, Turkey and Brazil.
Certifications
IATF 16949, ISO 9001, ISO 14001
About
DAOU Precision Industry is a Busan manufacturer of formed and welded metal tubes for engines and powertrains, founded in 1991. Its range covers fuel filler tubes, EGR tubes and guides, water, heater and turbo pipes, oil and oil cooler pipes, and oil level gauges, sensor tubes, vacuum and suction pipes.
Production in the Noksan industrial complex uses automatic tube bending machines and robotic tack, TIG and MIG welding cells. The company supplies vehicle and engine plants in Korea and abroad and works to automotive quality system standards.
Tube assemblies that carry hot exhaust gas from the manifold to the EGR cooler and back to the intake, bent automatically and joined by robotic TIG welding.
Key features
Automatic EGR tube bending
Robotic tack and TIG welding
Hot-side and cold-side guide designs
Built for high-temperature exhaust service
Applications
Diesel and gasoline engine EGR systems
Engine assembly plants
Off-highway engines
Hot-side and cold-side EGR guides, EGR cooler tubes
Lubricant and oil-cooler lines for powertrains, transmissions and turbochargers, plus oil level gauges and guides and a range of sensor, vacuum, suction and pump tubes.
Key features
Oil cooler and turbo oil supply lines
Oil level gauges and guides for engines and transmissions
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Busan, Busan Metropolitan City, South Korea
