2022 Magnetic shielding in alternating magnetic field attenuation.Study on the development of pickup coils for efficiency. 2017 Actuator design verification development research 2016 Research on the development of braking devices for railway vehicles 2013 Recognition as an excellent company in risk assessment 2012 CLEAN business premises certification 2009 Research and Development Department Certification 2008 Certification as a Parts/Materials Specialist CompanyCertification as a Parts/Materials Friendly Company 2006 Solenoid TÜV certificationHanyang University Industry-Academic Cooperation AgreementSolenoid Parts Reliability CertificationISO9001 Certification 2005 Hydraulic valve technology cooperation agreement – Kuroda Precision 2001 Patent Office Designation of Guardian 2000 Hydraulic valve technology cooperation agreement – Hirose manufacturing co., ltd. 1999 Contract for manufacturing wire manufacturing equipment(Japan, Asakusa Technology Research – Years in business : 40 years)Establishment of corporation and factory registrationTechnical cooperation for electromagnetism components(Japan, Osaka Electric Industry – Years in business : 45 years)