HISTORY
History
Since December 1981 we have built our expertise in one field: mechanical rebar splicing and tunnel materials.
1981 — PRESENT
45 years written in technology
Registration numbers for patents, utility models, designs and trademarks are listed with each entry. See Certifications · Patents for details.
- 2022. 12. 07.Head office relocated to the Cheonan plant; Asan plant redesignated plant 2
- 2019. 11. 29.Cheonan rebar fabrication & coupler plant established (Dong-myeon, Dongnam-gu, Cheonan)
- 2018. 07. 30.Gimhae plant 3 established — dedicated coupler production
- 2017. 11. 20.Cheonan plant site acquired (land 17,500 ㎡, buildings 6,600 ㎡)
- 2011. 07. 01.In Hwan Roh appointed CEO
- 2010. 10. 18.Patent — Manufacturing method of rebar coupler for construction No. 10-0989783
- 2010. 10. 04.Design registration — Rebar coupler No. 30-0575129
- 2008. 11. 04.Patent — Small-diameter spiral steel-pipe ground reinforcement and reinforcement method using auger-type hollow packer No. 10-0868180
- 2008. 05. 02.Selected as an outstanding company by Asan City
- 2007. 10. 30.Design registration — Leak-prevention packer for rock-bolt grout No. 30-0467852
- 2006. 12. 21.2006 Seokyung CEO Management Award
- 2006. 05. 16.Selected as an excellent foreign-trainee company by the Korea Federation of SMEs No. 2006-535
- 2006. 02. 01.Patent — Forming device for deformed-bar connection ends No. 0550030
- 2005. 01. 05.Seong Woo-gi appointed CEO
- 2003. 07. 08.Factory registration completed, 35-6 Sinhang-ri, Dunpo-myeon, Asan
- 2003. 07. 05.Plant 2 completed
- 2003. 06. 16.Head office moved to and merged with plant 2, Sinhang-ri, Dunpo-myeon, Asan
- 2002. 10. 24.Utility model — Arc bending machine No. 0294254
- 2001. 09. 10.Patent — Rebar connector No. 0309611
- 2001. 08. 24.Utility model — Rebar fixture No. 0245400
- 2001. 07. 31.Utility model — Wire-rope anchor for rockfall prevention No. 0242429
- 2001. 03. 19.R&D centre and dormitory completed, Dunpo-ri, Asan
- 2001. 01. 15.Joined SMBA project on automated production technology (annealing-furnace work-hardening removal)
- 2000. 08. 29.
- Patent — Rebar connector for concrete structures No. 0272745
- Utility model — Rebar connector for concrete structures No. 0202317
- 2000. 07. 13.Registered as a venture company No. 2000152333-0708
- 2000. 06. 27.Patent — Mechanical splice for concrete reinforcing bars No. 0266766
- 2000. 01. 10.
- New Technology (NT) certificate, Korean Agency for Technology and Standards No. 1996-034
- Quality (EM) certificate, Korean Agency for Technology and Standards No. 1996-088
- 1999. 06. 18.Capital increased to KRW 1.0 billion
- 1999. 06. 11.KS E 3132 certification for rock bolts and components No. 99-0650
- 1999. 05. 12.Utility model — Rebar connector No. 0153754
- 1999. 03. 12.Rebar construction licence obtained
- 1998. 12. 29.HS-BAR trademark registered No. 436099
- 1998. 11. 30.ISO 9001 quality system certified No. KQS5193
- 1998. 06. 03.
- Design registration — Rebar connector No. 221660
- Utility model — Coupling device for prefabricated wall panels No. 123877
- 1998. 03. 11.Class-A trading licence obtained
- 1998. 01. 14.Selected as a promising SME by Cheil Bank No. 98-1
- 1998. 01. 13.Design registration — Rebar connector No. 98-1
- 1997. 06. 25.Designated an excellent technology company by KOTEC No. 97-016
- 1996. 02. 17.Ministry of Construction and Transportation New Technology No. 30 — mechanical rebar splicing method (threaded)
- 1996. 02. 13.Capital increased to KRW 500 million
- 1995. 11. 27.Designated a military-service-exemption company No. 588
- 1995. 06. 03.Design registration — Ring nut No. 64929
- 1995. 01. 05.
- Own plant completed at 339-1 Unyong-ri, Dunpo-myeon, Asan
- In Hwan Roh appointed CEO
- 1994. 08. 16.Capital increased to KRW 200 million
- 1994. 04. 20.Design registration — Deformed bar with coupling nut No. 153739
- 1993. 10. 19.KT mark — Minister of Science and Technology domestic new-technology certificate No. 9-103
- 1981. 12. 22.Hansung Precision Ind. Co., Ltd. founded (CEO Sang In Roh, capital KRW 50 million)