Company History

2001. 5

· Established PSS Tech Co., Ltd.

2003. 11

· Developed platform safety systems (gap fillers and platform screen doors)

2004. 12

· Completed installation of 80 sets of platform screen doors and 80 sets of gap fillers at KORAIL Singil Station (Line 1)

2005. 3 ~ 2022. 9

· Completed installation of 364 sets of gap fillers across 11 KORAIL stations, including Sindorim Station

2005. 8

· Installed 480 sets of platform screen doors at seven Seoul Metro stations

2006

· Awarded New Technology (NET) Certification for PSD and MGF (Ministry of Trade, Industry and Energy)

2008. 5

· Completed installation of 110 sets of gap fillers at Sindorim and Guro Stations (KORAIL)

2010. 3

· Changed the corporate's name to HEROSTECH Co., Ltd.

2010. 3 ~2021. 12

· Provided maintenance services for platform safety systems across eight stations, including KORAIL Singil Station

2017. 8

· Completed installation of 4 sets of gap fillers at Manchon Station (Daegu Metro)

2018. 6

· Received Performance Certification for gap fillers equipped with auxiliary steps (Ministry of SMEs and Startups)

2021. 12

· Obtained SIL3 Certification from TÜV Rheinland

2022. 10

· Obtained RAMS Certification from TÜV Rheinland

2023. 6

· Completed a pilot installation of 25 sets of gap fillers across five Seoul Metro stations, including City Hall Station

2023. 12

· Certified as a Disaster Safety Product for Rail Platforms (Ministry of the Interior and Safety)

2025. 3

· Obtained ISO certifications: ISO 9001, ISO 14001, and ISO 45001 (valid through March 2028)

2025. 4

· Completed installation of 263 sets of gap fillers across 22 Seoul Metro stations, including Dongdaemun Station

2025. 12

· Signed a contract with KORAIL for the supply and installation of 20 sets of gap fillers at Guro Station