SJM, which has established thorough and flawless manufacturing processes based on highly specialized and segmented quality management system, is fully certified with quality/environmental certification such as IATF 16949, ISO 9001 and ISO 14001. Also, with globally recognized certifications including KR/KC, ASME U/U2, global ship classification type approval (LR, DNV, ABS, KR and NK) and patent acquisition, SJM is achieving both product reliability and customer satisfaction.