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 1]_HQ
ISO 9001:2015
JL Heavy Industry [Goseong Plant 2]
ISO 9001:2015
JL Heavy Industry [Obi_Geoje Plant]
ISO 14001:2015 [Environmental Management System]
ISO 14001:2015
JL Heavy Industry [Goseong Plant 1]_HQ
ISO 14001:2015
JL Heavy Industry [Goseong Plant 2]
ISO 14001:2015
JL Heavy Industry [Obi_Geoje Plant]
ISO 45001:2018 [Occupational Health Safety Management]
ISO 45001:2018
JL Heavy Industry [Goseong Plant 1]_HQ
ISO 45001:2018
JL Heavy Industry [Goseong Plant 2]
ISO 45001:2018
JL Heavy Industry [Obi_Geoje Plant]
ISO 3834-2:2021 [Quality Management System for Fusion Welding of Metallic Materials]
ISO 3834-2:2021
JL Heavy Industry [Obi_Geoje 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
Venture Business Certificate
Technologically Innovative Small and Medium Enterprise (INNO-BIZ) Certificate
Certificate of Performance-Sharing Enterprise
Certificate of Participation in the Work–Life Balance Campaign
JL Heavy Industries' Patents
Method for Surface Treatment of Raw Materials Using Fiber Laser
Method for Cutting High-Manganese Steel Using Fiber Laser Cutting
Powder Marking System for Fiber Laser Cutting Equipment
Laser Automatic Cutting and UV Ink Cartridge-Based Marking System
Shipyard-Specific Processing Data Automatic Conversion System
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)
