Yulgok Co., Ltd. is an aircraft parts manufacturer headquartered in Changwon, Gyeongsangnam-do. For over 30 years, the company has been producing 3D precision shaped parts for the aerospace sector based on 5-axis CNC machining technology. As a partner of Korea Aerospace Industries (KAI) and a supplier of parts to global aircraft manufacturers such as Boeing and Airbus, it is growing into a world-leading aerospace parts manufacturer.

Yulgok Co., Ltd. has evolved into a specialized aircraft parts machining and assembly company over the past 30 years, based on 5-axis CNC machining utilizing CAD/CAM for 3D precision shaped components in the cutting-edge aerospace industry. In cooperation with Korea Aerospace Industries (KAI), we assemble and produce core components and fuselages for military aircraft, including the T-50, KT-1, and Surion, as well as parts for large commercial aircraft from BOEING and AIRBUS.

Business sectors

• Aircraft Parts Machining: We produce 3D precision shaped parts, such as aircraft wing structures (Wing Rib, Spar, Stringer) and engine components, utilizing state-of-the-art CAD/CAM and 5-axis CNC machining technologies. We also possess specialized technical capabilities for machining difficult-to-machine materials such as titanium and Inconel.
• Aircraft Assembly: We assemble and produce large commercial aircraft components for BOEING and AIRBUS, as well as core components and fuselages for domestic military aircraft such as the T-50, KT-1, and Surion. We provide finished products by assembling precision-machined parts to strict quality standards.

Products

• Large commercial aircraft wing and fuselage structures: We produce key components used in Boeing and Airbus aircraft, such as the B787 MLG Beam, A350 NLG Bay/Wing Rib, and A320 Wing Bottom Stringer. We possess technology and facilities specialized in processing large structures exceeding 6 meters in length.
• Military Aircraft Core Components and Fusels: We assemble and produce core components and fuselages for domestic military aircraft such as the T-50, KT-1, and Surion. We also have a history of participating in the structural work for the first-stage oxidizer and fuel tanks of the Korean launch vehicle Nuri.
• Aircraft Engine Parts: We supply precision-machined aluminum parts used in aircraft engines, such as CF34 aluminum front cases and GE90 aluminum outlet guide vanes. We maintain a competitive edge in the engine parts sector, which demands advanced technical expertise.

Special Features

• State-of-the-art precision machining and assembly technology: We possess high-precision machining technologies such as 5-axis CNC machining using CAD/CAM and titanium cold forming, and we focus on the highest quality management from design to machining and inspection.
• Global-level quality competitiveness and partnerships: We have obtained the AS9100 international certification for aerospace quality assurance and, as a Tier 1 supplier to Korea Aerospace Industries (KAI), we directly supply to leading global aircraft manufacturers such as Boeing, Airbus, and Spirit Aviation, earning recognition for our technological capabilities and price competitiveness.
• Smart Factory Construction and Continuous R&D Investment: We are automating production processes by building smart factories that combine robots and flexible manufacturing systems (FMS), and expanding our technology portfolio through active R&D support and bold investments.

Job Information

• Main Recruitment Positions: We are primarily hiring for machining and management roles. Candidates with mechanical-related certifications and excellent TOEIC scores will be given preference.
• Benefits: We are committed to employee welfare by providing the four major insurances, child tuition support, dormitory facilities, an on-site cafeteria, a five-day workweek, annual leave, congratulatory and condolence leave, holiday bonuses, long-service awards, a fitness center, showers, and parking lots.

💡 A word from Jobploy
Yulgok Co., Ltd. is a company equipped with technological capabilities and stable global partnerships that lead the future of the aerospace industry. We hope you seize the opportunity to fully unleash your potential and grow into a world-class aircraft component expert. Realize your dreams at Yulgok, a company that constantly challenges itself and evolves!