Jun. 2001 Established PSSTech Co., Ltd.
Nov. 2004 Developed Platform Safety System (MGF, PSD)
Dec. 2004 Constructed MGF (80 sets) & PSD (80 sets) at Singil Station, Line 1
Aug. 2005 Constructed PSD (480 sets) for 7 stations of Seoul Metro
~Jun. 2006 Constructed MGF (110 sets) for Sindorim Sta. and Guro Sta. of KORAIL
Mar. 2010 Established HEROSTECH Co., Ltd.
(Under the condition of undertaking the Techniques, Engineers and the Right of Trade)
Jul. 2010 Concluded the Repair and Maintenance Contract, ad libitum for MGF and PSD for
Singil station and 3 other stations of KORAIL
Jan. 2011 Acquisition of ’License of Construction of Information and Communication related works’
Nov. 2011 Lighting Control System in the Metro Line (Patent No. 10-2010- 058094)
Jan. 2012 Control System of Safety Instruments on Train Platform (Patent No. 10-0475625)
Jan. 2012 MGF (Mechanical Gap Filler) (Patent No. 10-0318334)
Jul. 2012 Established the Research & Development Center of HEROSTECH
(Accredited by Korea Industrial Technology Association)
Oct. 2013 - MGF System and its Operational Implements on the train platform (Patent No. 10-1318262)
- Registration for Venture Enterprise (Korea SMEs and Startups Agency)
- Concluded Repair and Maintenance Contract of Platform Safety System for
Singil Station and 3 Others of KORAIL (Period : October 2013 ~ October 2014)
Oct. 2014 - Concluded Repair and Maintenance Contract of Platform Safety
Jun. 2015 Acquisition of Patent for Sliding Type MGF (Patent No.10-1530521)
Jun. 2015 Acquisition of Patent for Sliding Type MGF (Patent No.10-1549150)
Nov. 2015 - Concluded Repair and Maintenance Contract of Platform Safety System for
Singil Station and 3 Others of KORAIL (Period : November 2015 ~ November 2016)
- Constructed 7 sets of MGF at Hoegi Station
- Location Move Work of Obstacle Detection Sensors of PSD, Seoul METRO
Dev. 2015 Improvement Work of Door Level of PSDs for Seoul METRO
Dec. 2016 Completion of MGF manufacture and installation work (40 sets)
at Samsong station, KORAIL
Jun. 2017 Completion of MGF manufacture and installation work (65 sets)
at Daebang station and Inchon station, KORAIL
Aug. 2017 Completion of MGF manufacture and installation work (4 sets) at Manchon station,
DTRO (Daegu Metropolitan Transit Corporation
Jun. 2018 - Performance of MGF with accessory filler accredited by Ministry of SMEs aand Startups
- Acquisition of ISO 9001-2015
- Acquisition of Patent for MGF driving system (Patent No. 10-1870802)
Aug. 2018 Completion of MGF manufacture and installation work (10 sets)
at Eungbong station, KORAIL
Nov. 2018 Concluded the Repair and Maintenance Contract of Platform Safety System for Singil station and
other 5 stations among Gyungbu Line, KORAIL
Jun. 2019 Completion of MGF manufacture and installation work (32 sets) at Racecourse station, KORAIL
Sep. 2019 Completion of MGF manufacture and installation work (45 sets) at Hannam station, KORAIL
Oct. 2019 Completion of MGF manufacture and installation work (32 sets) at Paldang station, KORAIL
Dec. 2019 Concluded the Repair and Maintenance Contract of Platform Safety System for Singil station and
other 4 stations among Gyungbu Line, KORAIL
Feb. 2020 Concluded the Repair and Maintenance Contract of Platform Safety System for Samsong station,
Ilsan Line and other 2 stations, KORAIL