More than 60 years of product development experience
Optimize alloy, heat treatment, extrusion design and process molding procedures and provide structural solutions at the lowest installation cos
World-class aluminum product
Supply of extruded or forged aluminum products for passenger car and small truck markets
Excellent quality control system
Acquired various quality certifications such as quality control system, heat treatment, and NADCAP for laboratory UT inspection
Current location
Certification Status
Quality Certification

Quality Certification

SeAH Aerospace & Defense co., Ltd. operates an excellent quality management system to satisfy customers through exceptional quality.
We have acquired various quality certifications such as the Certificate for Quality Management System(AS9100) for the defense and aviation industries and the Nadcap for heat treatment, labs, and UT testing. And we are doing our best to enhance product machinability and coherence through quality control.

Quality Certification
Certification name (Certification) Content & (Certification) Scope​ Issuing Institution
AS 9100 Rev.D Quality Management System
Manufacture and servicing of aluminum alloy product
(EN9100:2018, JISQ9100:2016 and ISO9001:2015)
Nadcap Audit NonDestructive Testing as per AC7114, AC7114S, AC7114/3
and AC7114/3S
Nadcap Audit Heat Treating as per AC7102, AC7102S, AC7102/2, AC7102/5,
AC7102/8 Materials Test Laboratories as per AC7101/3
(Hardness, Conductivity Test)
Nadcap Audit Materials Test Laboratories as per AC7101/1 and AC7101/2
(Chemical Analysis; Captive Lab Type)
ISO 14001:2015 Environmental Management System
The manufacture of aluminium alloy extrusion & casting products
BHTI Sub-contractor BHTI Approved Supplier
Manufacturing source for Aluminum Alloy Extrusion
Bell Helicopter
Boeing Sub-contractor Ingot, Extruded Bar/Shapes(QQ-A-200/3 & 200/11) and NDT
(UT (BAC5439, BSS7052/7055 and Level 3 (NAS410)) in DI-1-4426
Mcdonnell Douglas Sub-contractor Extrusion Supplier as per DMS2227 Mcdonnell Douglas
Embraer Sub-contractor MP1.1.002(PE11002-27) and 46 others, Material: 2024-T3511/7050-T74511 & T76511/6061-T6511 Embraer
Lockheed Martin Sub-contractor MIL-I-45208A, Statiscal Process Control, MIL-STD-1355(Tailored),
NDTS1500/1501/1502, Qualified Supplier to LMTAS
Lockheed Martin
MOOG Sub-contractor Approved raw material supplier MOOG Shanghai
MHI Sub-contractor The manufacture and servicing of aluminium alloy product
KAI Sub-contractor Supplier Quality System KAI
KAL Sub-contractor Supplier Quality System (KQMSS) KAL
ABS Classification Aluminum Mill Approvals to produce 5456-H111/H112 ABS Service
DNV-GL Classification Aluminum billet of alloy2618 with 15" Germanischer Lloyd
LISI Raw Material Supplier Lisi Aerospace
Defense Industry Designation Designation of defense contractors for defense products Ministry of Trade, Industry and Energy(MOTIE)
Special product Manufacturing Approval All-in-one partition type combustion tube for 2.75 inch rocket​(MK4, MK40 & MK223) and 6 others Defense Acquisition Program Administration(DAPA)
Self-test Approval Laboratory Certification Defense Agency for Technology and Quality(DTaQ)
QPA Machining Process (Defense Products)​ Hanwha Aerospace