Quality Certifications
Delivering Customer Satisfaction
Through the Highest Quality and Best Service
International standard certification for quality management systems established by the International Organization for Standardization (ISO), proving the ability to provide products and services that meet customer requirements.
Certification Body : ICR
Initial Certification Date : March 2015
International standard certification for environmental management systems established by the International Organization for Standardization (ISO), certifying that we contribute to sustainable development while minimizing environmental impact.
Certification Body : ICR
Initial Certification Date : March 2015
Positive Material Identification certification, verifying our ability to accurately identify and verify the composition of metal materials.
Certification Body : Nowtech
Initial Certification Date : March 2015
Certification for the use of radioisotopes for non-destructive testing, proving that we possess specialized equipment and personnel for quality inspection of welding.
Certification Body : Nuclear Safety and Security Commission
Initial Certification Date : February 2015
Certification for welding processes and construction capabilities received from DNV, an international classification society, proving that we are qualified to produce products related to marine and ship structures.
Certification Body : DNV
Initial Certification Date : February 2023
Factory approval certification received from Lloyd's Register (LR), recognizing that our manufacturing capabilities for ships and marine structures comply with international standards.
Certification Body : LR CLASS
Initial Certification Date : April 2024
Welding Procedure Specification (WPS) certification for special non-ferrous metals such as titanium and zirconium, proving that we possess high-difficulty special material welding technology.
Certification Body : ABS
Initial Certification Date : November 2018
Welding Procedure Specification (WPS) certification for stainless steel (SUS) materials, proving that we possess high-difficulty special stainless steel welding technology.
Certification Body : ABS
Initial Certification Date : November 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess TIG welding technology.
Certification Body : BV
Initial Certification Date : July 2020
Welding Procedure Specification (WPS) certification for duplex stainless steel (DSS) materials, proving that we possess high-quality duplex welding technology.
Certification Body : DNV GL
Initial Certification Date : January 2021
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess high-quality stainless steel welding technology.
Certification Body : DNV GL
Initial Certification Date : July 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess TIG welding technology.
Certification Body : KR
Initial Certification Date : August 2020
Welding Procedure Specification (WPS) certification for duplex stainless steel (DSS/UNS S31803) materials, proving that we possess high-quality duplex welding technology.
Certification Body : LR
Initial Certification Date : November 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess GTAW(TIG) welding technology.
Certification Body : LR
Initial Certification Date : September 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess TIG welding technology.
Certification Body : NK
Initial Certification Date : July 2024
International standard certification for quality management systems established by the International Organization for Standardization (ISO), proving the ability to provide products and services that meet customer requirements.
Certification Body : ICR
Initial Certification Date : 2015년 03월
International standard certification for environmental management systems established by the International Organization for Standardization (ISO), certifying that we contribute to sustainable development while minimizing environmental impact.
Certification Body : ICR
Initial Certification Date : 2015년 03월
Positive Material Identification certification, verifying our ability to accurately identify and verify the composition of metal materials.
Certification Body : Nowtech
Initial Certification Date : March 2015
Certification for the use of radioisotopes for non-destructive testing, proving that we possess specialized equipment and personnel for quality inspection of welding.
Certification Body : Nuclear Safety and Security Commission
Initial Certification Date : February 2015
Certification for welding processes and construction capabilities received from DNV, an international classification society, proving that we are qualified to produce products related to marine and ship structures.
Certification Body : DNV
Initial Certification Date : February 2023
Factory approval certification received from Lloyd's Register (LR), recognizing that our manufacturing capabilities for ships and marine structures comply with international standards.
Certification Body : LR CLASS
Initial Certification Date : April 2024
Welding Procedure Specification (WPS) certification for special non-ferrous metals such as titanium and zirconium, proving that we possess high-difficulty special material welding technology.
Certification Body : ABS
Initial Certification Date : November 2018
Welding Procedure Specification (WPS) certification for stainless steel (SUS) materials, proving that we possess high-difficulty special stainless steel welding technology.
Certification Body : ABS
Initial Certification Date : November 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess TIG welding technology.
Certification Body : BV
Initial Certification Date : July 2020
Welding Procedure Specification (WPS) certification for duplex stainless steel (DSS) materials, proving that we possess high-quality duplex welding technology.
Certification Body : DNV GL
Initial Certification Date : January 2021
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess high-quality stainless steel welding technology.
Certification Body : DNV GL
Initial Certification Date : July 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess TIG welding technology.
Certification Body : KR
Initial Certification Date : August 2020
Welding Procedure Specification (WPS) certification for duplex stainless steel (DSS/UNS S31803) materials, proving that we possess high-quality duplex welding technology.
Certification Body : LR
Initial Certification Date : November 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess GTAW(TIG) welding technology.
Certification Body : LR
Initial Certification Date : September 2020
Welding Procedure Specification (WPS) certification for stainless steel (SUS316L) materials, proving that we possess TIG welding technology.
Certification Body : NK
Initial Certification Date : July 2024
