CERTIFICATIONS / PATENT
We boast world-class production capacity in the field of steel structure cutting and processing,
and have accumulated rich know-how through various domestic and international marine construction and shipbuilding projects.
Based on this know-how, we will realize successful business operations at any site.
ISO
ISO 9001:2015 [Quality Management System]
ISO 9001:2015
JL Heavy Industry [Goseong Plant] HQ
ISO 9001:2015
JL Heavy Industry [Goseong Guman Plant]
ISO 9001:2015
JL Heavy Industry [Geoje Obi Plant]
ISO 14001:2015 [Environmental Management System]
ISO 14001:2015
JL Heavy Industry [Goseong Plant] HQ
ISO 14001:2015
JL Heavy Industry [Goseong Guman Plant]
ISO 14001:2015
JL Heavy Industry [Geoje Obi Plant]
ISO 45001:2018 [Occupational Health Safety Management]
ISO 45001:2018
JL Heavy Industry [Goseong Plant] HQ
ISO 45001:2018
JL Heavy Industry [Goseong Guman Plant]
ISO 45001:2018
JL Heavy Industry [Geoje Obi Plant]
WWA
WELDING WORKSHOP APPROVAL CERTIFICATE
WWA
Corporate Certification
JL Heavy Industries' Certifications
Corporate Research Institute Recognition Certificate
Root Company Confirmation
Material/Parts/Equipment Specialist Company Confirmation
Management Innovation SME (MAIN-BIZ) Confirmation Certificate
Certificate of Venture enterprise
JL Heavy Industries' Patent
Method for Surface Treatment of Raw Materials Using Fiber Laser
Method for Cutting High-Manganese Steel Using Fiber Laser Cutting
20 cases including laser cutting machines for metal processing
20 cases including laser cutting machines for metal processing
Individual Qualifications
API(American Petroleum Institute)
API 510
API 570
API 510
API 570
CWI (American Welding Society)
API 510
CWI
IIW (International Institute of Welding)
