The path we have walked, honestly from
the basics and proven by our technology
Since taking its first steps as a key partner in the national strategic aviation and defense industries,
Korea Surface Treatment Co., Ltd. has strengthened the global competitiveness of the domestic aviation and defense industries and contributed to regional economic
development through bold facility investments embodying public value and rigorous quality management.
Based on a history of accumulated trust,
we are opening up a future of technological innovation and mutual growth.
2026
-
EMBRAER certification
06
Participation in the Berlin Aerospace Fair, Germany
06
Selected as a Gyeongnam Defense Industry Giant Company
2025
11
Incorporated as a subsidiary of KAI (55.77% stake / Acquisition of 26.22% stake from Gyeongnam Bank)
2024
12
Acquisition of government assets (equipment/facilities)
05
Inauguration of the 4th CEO, Jeong Yeon-myeong
2021
05
Paid-in capital increase (KAI 29.55%, Gyeongnam Bank 26.22%, Yulgok 25.31%)
05
Inauguration of the 3rd CEO, Lee Jin-wook
2018
01
Mass production begins
01
Inauguration of the 2nd CEO, Lee Yong-sik
2017
04 ~
Institutional Certifications (KSQ/AS9100, NADCAP, KSCP)
Customer Certifications (BOEING, AIRBUS, IAI, SPRIT, STEA, KAI, KAA, etc.)
Customer Certifications (BOEING, AIRBUS, IAI, SPRIT, STEA, KAI, KAA, etc.)
02
Factory Completion (Site: 16,600㎡, Factory: 10,000㎡)
2016
05
Factory completion
2014
11
Launch of Aerospace Specialization Complex Support Project
- Project Period: November 2014 – April 2019 (5 years)
- Government Budget: 25 billion KRW (Surface Treatment 12.6 billion KRW)
- Supported Projects: Public Interest Aviation Surface Treatment System Construction Project and 4 others
08
Sacheon, Announcement of Designation as Aerospace Industry Specialized Complex (Ministry of Trade, Industry and Energy)
08
Establishment of KST (participation of 23 domestic airlines)
- Capital of 6.4 billion KRW (KAI's largest shareholder, 29.7% stake)
05
Inauguration of the first CEO, Song Gwang-ho
