Astk
1 known investors
Aerospace Technology of Korea (ASTK) is a Korean manufacturer of aircraft structures and fuselage assemblies based in Sacheon.
Also known as Aerospace Technology of Korea Inc. ยท ASTK ยท ์์คํธ
Investors ยท 1
Company profile
researched Aug 2026Aerospace Technology of Korea Inc. (ASTK, Korean name ์์คํธ) is an aerospace manufacturing company headquartered in Sacheon, Gyeongsangnam-do, South Korea. It was established in 2001 and focuses on aircraft structural components, fuselage section assembly, and structural design and development. The company presents itself as a specialist parts fabrication and fuselage assembly business serving the aerospace industry.
Beyond manufacturing, ASTK maintains in-house structural design and development capability and a portfolio of production equipment, and operates quality, environmental and other certification programs. Its corporate site includes an investor relations section with disclosure filings, financial information and public notices, indicating a listed or otherwise disclosure-reporting company. Company activities described in its own materials include an aviation materials analysis laboratory opened in 2017 and shipment milestones for MAX Section 48 fuselage sections and E-Jet fuselages.
Business model
ASTK manufactures and assembles aircraft structural parts and fuselage sections, and provides structural design and development services, supplying airframe makers and aerospace tier-one suppliers as a components and assembly contractor.
Traction
Publicly listed customers include KAI, Korean Air, Spirit AeroSystems, Triumph, Airbus and Bombardier; production milestones include MAX Section 48 fuselage shipment (2017) and E-Jet business acquisition and E-Jet fuselage shipment (2019).
Latest developments
Company news lists an award of an aircraft parts manufacturer certificate from Korea's Ministry of Land, Infrastructure and Transport (2026-07-09), items on new order wins (2026-05-08 and 2026-05-15) and a report of a swing to profit alongside management evaluation matters (2026-04-13).
โธFull profile โ market position, technology, go-to-market, geography, history
Market position
ASTK is a member company of the Gyeongnam Technopark aerospace/space headquarters network and is listed in the Asia-Pacific Aviation and Space Directory under aerospace-related supporting industries, components, positioning it as a Korean aerostructures supplier within the Sacheon aerospace cluster.
Technology
Capabilities cover aircraft structure manufacturing, fuselage assembly, and structural design and development, supported by dedicated production equipment and an aviation materials analysis testing laboratory. Quality and process credentials include AS9100 Rev D and NADCAP accreditation for heat treatment and non-destructive testing.
Go-to-market
Airframe manufacturers and aerospace tier-one structures suppliers. Listed major customers include Korea Aerospace Industries (KAI), Korean Air (KAL), Spirit AeroSystems, Triumph, Airbus and Bombardier.
Geography
Headquarters at 133 Jongposandan-ro, Yonghyeon-myeon, Sacheon-si, Gyeongsangnam-do (52537), with a first plant at 23-65 Gongdan 1-ro, Sanam-myeon, Sacheon-si and a second plant at 76 Bangji-ro, Sanam-myeon, Sacheon-si, plus a Seoul office at Post Tower 10F, 60 Yeouinaru-ro, Yeongdeungpo-gu, Seoul. Customers span Korean, European and North American aerospace groups.
History
The company was founded in 2001. Documented milestones include a December 2017 shipment ceremony for a MAX Section 48 assembly, the November 2017 opening of an aviation materials analysis laboratory, an internal innovation-activity awards event in December 2017, and an April 2019 ceremony marking the acquisition of the E-Jet business and the shipment of E-Jet fuselage structures. More recent company news items cover new order wins, a return to profitability, and certification from the Ministry of Land, Infrastructure and Transport.
Compiled by commissioned research from 5 cited public sources โ announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed โ not independently audited.
Timeline ยท 6
launches, deals, and filingsDated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
โธResearch sources ยท 5
primary sources listed
- (์ฃผ)์์คํธastk.co.kr ยท web
5 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Astk do?
- Aerospace Technology of Korea (ASTK) is a Korean manufacturer of aircraft structures and fuselage assemblies based in Sacheon.
- Who are Astk's investors?
- Astk's investors include Kiwoom Investment.