Our Journey: Built on Integrity, Proven by Technology
Since taking our first steps as a core partner in the aerospace and defense industries, a national strategic sector, Korea Surface Treatment Co., Ltd. (KST) has strengthened the global competitiveness of the domestic aerospace and defense industries and contributed to regional economic development through bold facility investments based on public value and strict quality management. Based on our accumulated history of trust, we are opening a future of technological innovation and mutual growth.
2026
-
Certified by EMBRAER
06
Participated in the ILA Berlin Air Show
06
Selected as a Small Giant Defense Enterprise in Gyeongnam
2025
11
Incorporated as a subsidiary of KAI (Acquired 55.77% stake / 26.22% stake from Kyongnam Bank)
2024
12
Acquired government assets (Equipment/Facilities)
05
Inauguration of the 4th CEO, Yeon-myeong Jung
2021
05
Capital increase (KAI 29.55%, Kyongnam Bank 26.22%, Yulgok 25.31%)
05
Inauguration of the 3rd CEO, Jin-wook Lee
2018
01
Commenced mass production
01
Inauguration of the 2nd CEO, Yong-sik Lee
2017
04 ~
Institutional Certifications (KSQ/AS9100, NADCAP, KSCP)
Customer Certifications (BOEING, AIRBUS, IAI, SPIRIT, STEA, KAI, KAA, etc.)
Customer Certifications (BOEING, AIRBUS, IAI, SPIRIT, STEA, KAI, KAA, etc.)
02
Factory completion (Site: 16,600㎡, Factory: 10,000㎡)
2016
05
Completed factory construction
2014
11
Initiated the Aerospace Specialized Complex Support Project
- Project Period: Nov. 2014 - Apr. 2019 (5 years)
- Government Budget: KRW 25 billion (Surface treatment: KRW 12.6 billion)
- Supported Projects: Construction of public aerospace surface treatment facilities and 4 others
08
Sacheon designated as an Aerospace Industry Specialized Complex (Ministry of Trade, Industry and Energy)
08
KST established (Participated by 23 domestic aerospace companies)
- Capital: KRW 6.4 billion (KAI as the largest shareholder, 29.7% stake)
05
Inauguration of the 1st CEO, Kwang-ho Song
