Quality Certification


Sorex Welding CO.,LTD, follows the four major principle “Professional Quality, Full Participation, Customer Satisfaction, Continuous Improvement,” as the quality policy, according to customer needs to meet the reliability, stability, security, customized products. In the meantime, continuously obtain the authoritative international management system certification from various industries, and quality get approved accordingly.

Sorex Welding CO.,LTD, has passed the rigorous review, inspection and recognition from the various certification in terms of quality, environmental safety and the product. The quality assurance management has regarded as self-review, customer satisfaction on job performance and efficiency of using Sorex product.

The company has passed ISO 9001 quality management system, ISO 45001 occupational safety management system, ISO 14001 environmental management system and other three systems management, and European Community (CE) Construction, American Bureau of Shipping (ABS), Lloyd’s Register Asia (LR), Bureau Veritas (BV), Det Norske Veritas & Germanischer Lloyd (DNV・GL), Nippon Kaiji Kyokai (NK), Registro Italiano Navale (RINA), Classification Society (CR), Korean Register of Shipping (KR), China Classification Society (CCS), Polski Rejestr Statków (PRS), Canadian Welding Bureau (CWB), and so on. Total number more than 10 related institutions of ship investigation certification.

System Certification


Product Certification

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  List of Approvals

American Bureau of Shipping (ABS)
Product Level/Specification Certfication
SL-50 AWS A5.1-2012 E7016   View
SL-58 3YH5   View
SLH-58 4YQ420 H5   View
SR-86B2 AWS A5.5-2014 E8016-B2   View
SR-96B3 AWS A5.5-2014 E9016-B3   View
STG-50 AWS A5.18-2005 ER70S-G   View
STG-56 AWS A5.18-2005 ER70S-6   View
STG-2594 AWS A5.9-2012 ER2594   View
STG-625 AWS A5.14-2018 ERNiCrMo-3   View
SFC-71 3YSA H5   View
SFC-71 (MIX GAS) 3YSA H5   View
SFC-71M 3YSA H5   View
SFC-71J 4YSA H5   View
SFC-71J (MIX GAS) 4YSA H5   View
SFC-110 AWS A5.29-2010 E111T1-GM-H4
AWS A5.29-2010 E111T1-K3M-JH4
  View
SFC-308L AWS A5.22/A5.22M-2012 E308LT1-1   View
SFC-309L AWS A5.22/A5.22M-2012 E309LT1-1   View
SFC-309MoL AWS A5.22/A5.22M-2012 E309LMoT1-1   View
SFC-316L AWS A5.22/A5.22M-2012 E316LT1-1   View
SFC-317L AWS A5.22/A5.22M-2012 E317LT1-1   View
SFC-347L AWS A5.22/A5.22M-2012 E347T1-1   View
SFC-2209 AWS A5.22/A5.22M-2012 E2209T1-1   View
SF-65 & SW-M12K 3YM H10   View
SMG-6 3Y400   View


Bureau Veritas (BV)
Product Level/Specification Certfication
SFC-71 3YSM H5   View
SFC-71 (MIX GAS) S3YM H5   View
SFC-70C 3YSM H5   View
SFC-81K2 5Y46S H5   View
SFC-308L 308L   View
SFC-309L 309L   View
SFC-316L 316L   View
SFC-2209 2205   View


China Classification Society (CCS)
Product Level/Specification Certfication
SFC-308L 304L   View
SFC-309L 309L   View
SFC-316L 316L   View
SFC-2209 2205   View
SFC-71 3YS H5   View
STG-2594 9Ni   View
STG-625 2750   View


European Community (CE) Construction
Product Level/Specification Certfication
SM-13 EN ISO 2560-A E 38 0 R 1 2   View
SL-50 EN ISO 2560-A E 42 3 B 1 2 H5   View
SL-58 EN ISO 2560-A E 42 3 B 3 2 H5   View
SLH-58 EN ISO 2560-A E 42 4 B 3 2 H5   View
SS-308L EN ISO 3581-A E 19 9 L R 1 2   View
SS-309L EN ISO 3581-A E 23 12 L R 1 2   View
SS-316L EN ISO 3581-A E 19 12 3 L R 1 2   View
SS-312 EN ISO 3581-A E 29 9 R 1 2   View
SS-2209 EN ISO 3581-A E 22 9 3 N L R 1 2   View
SFC-308L (CO2/MIX GAS) EN ISO 17633-A T 19 9 L P C1/M21 2   View
SFC-309L (CO2/MIX GAS) EN ISO 17633-A T 23 12 L P C1/M21 2   View
SFC-309MoL EN ISO 17633-A T 23 12 2 L P C1 2   View
SFC-316L (CO2/MIX GAS) EN ISO 17633-A T 19 12 3 L P C1/M21 2   View
SFC-2209 (CO2/MIX GAS) EN ISO 17633-A T 22 9 3 N L P C1/M21 2   View
SF-65/SW-M12K EN ISO 14171-A S 42 3 AB S2Si   View
SF-66/SW-H12K EN ISO 14171-A S 46 5 FB S3Si   View
SF-68/SW-60G EN ISO 14171-A S 46 3 AB S2Mo   View
SF-66/SW-60G EN ISO 14171-A S 46 6 FB S3Si H5   View
SFC-71 (CO2/MIX GAS) EN ISO 17632-A T42 2 P C1/M21 1 H5   View
SFC-71J (CO2/MIX GAS) EN ISO 17632-A T46 4 P C1/M21 1 H5   View
SFC-71M (CO2/MIX GAS) EN ISO 17632-A T42 4 M C1/M21 3 H5   View
SFC-75 (CO2/MIX GAS) EN ISO 17632-A T42 3 B C1/M21 1 H5   View
SFC-81M (CO2/MIX GAS) EN ISO 17632-A T46 6 Z C1/M21 M 3 H5   View
SFC-81Ni1 EN ISO 17632-A T46 3 1Ni P C1 1 H5   View
SFC-81K2 (CO2/MIX GAS) EN ISO 17632-A T46 6 1.5Ni P C1/M21 1 H5   View
SMG-6 (CO2/MIX GAS) EN ISO 14341-A G 42 3 C1/M21 Z H5   View
SMG-60 (CO2/MIX GAS) EN ISO 14341-A G 46 4 C1/M21 Z H5   View
SMG-60N (CO2/MIX GAS) EN ISO 14341-A G 46 6 C1/M21 Z H5   View


Classification Society (CR)
Product Level/Specification Certfication
SFC-71 3YSH5   View
SF-65/SW-M12K 3YMH10   View


Det Norske Veritas & Germanischer Lloyd (DNV・GL)
Product Level/Specification Certfication
SFC-308L VL 308L   View
SFC-309L VL 309L   View
SFC-316L VL 316L   View
SFC-2209 Duplex Steel   View
SFC-316H VL 316   View
SFC-71 C1 III YMS(H5)   View
SFC-70C III YMS(H5)   View
SFC-81Ni1 ⅣY46MS(H5)   View
SFC-81K2 C1 ⅤY46MS(H5)   View
SFC-81K2 M21 ⅤY46MS(H5)   View
SFC-81M M21 ⅤY46MS(H5)   View
SFC-71 (MIX GAS) III YH5S   View
SFC-75 III YH5S   View
SF-65/SW-M12K III YM(H5)   View
SF-66/SW-H12K ⅣY42M(H5)   View
SF-66/SW-60G ⅤY46M(H5)   View
SFC-71J C1 ⅣY42MS(H5)   View
SFC-71J M21 ⅣY42MS(H5)   View
SFC-71M ⅣY42MS(H5)   View
SMG-60 ⅣY42MS(H5)   View
SMG-60N M21 ⅣY42MS(H5)   View


Korean Register of Shipping (KR)
Product Level/Specification Certfication
SFC-71 3YSM H5   View


Lloyd’s Register Asia (LR)
Product Level/Specification Certfication
SFC-71 3YSH5   View
SFC-71 (MIX GAS) 3YSH5   View
SFC-75 3YSH5   View
SFC-71J 4YSH5   View
SFC-71J (MIX GAS) 4YSH5   View
SFC-71M 4YSH5   View
SFC-308L 304L S   View
SFC-309L SS/CMn S   View
SFC-316L 316L S   View
SS-308L 304L m   View
SS-309L SS/CMn m   View
SS-316L 316L m   View
SL-58 3YH5   View
SLH-58 4Y42H5   View
SF-65 & SW-M12K 3YMH10   View


Nippon Kaiji Kyokai (NK)
Product Level/Specification Certfication
SFC-71 KSW53G(C)H5   View
SFC-70C KSW53G(C)H5   View
SF-65 & SW-M12K KAW53MH10   View


Registro Italiano Navale (RINA)
Product Level/Specification Certfication
SFC-71 3YSM H5   View
SFC-71(MIX GAS) 3YSM H5   View
SF-65 & SW-M12K 3YSM H5   View


Polski Rejestr Statków (PRS)
Product Level/Specification Certfication
SFC-71 C1 3YS H5   View
SFC-71 M21 3YS H5   View
SFC-71J C1 4YS H5   View
SFC-71J M21 4YS H5   View
SF-65 & SW-M12K 3YM H5   View


Canadian Welding Bureau (CWB)
Product Level/Specification Certfication
SFC-71   View
SFC-71(MIX GAS)   View
SFC-71B   View
SFC-71G   View
SFC-308L   View
SFC-309L   View
SFC-316L   View
SL-58   View
SN-55   View
SN-99   View
SS-308L   View
SS-309L   View
SS-312   View
SS-316L   View