We, ConRepair Co.,Ltd. has dedicated to waterproof & crack repair & reinforcement solution on concrete structures ever since it's foundation in 1994.
As the manufacturer, exporter and supplier of injection equipment and water-poof chemicals, we have provided our superior products to construction sites as Dam, Mountain Tunnel, Subway Tunnel, Underwater Tunnel, Nuclear Power Plant, Tidal Power Plant, Deep Basement of Skyscraper, etc. in South Korea over 23 years, and has exported to all over the world.
We automatized the packer production facility, and have invested R&D on chemicals, injection machines and packers in order to provide the high quality products with reasonable price to our clients. We have been keeping our good reputation for superior quality and fantastic service with our dedication and efforts.

Main Products
- Automatic injection pump
- Packer
- Epoxy resin
- Polyurethane Foam
- Syringe Injector for Epoxy resin
- Carbon Fiber Sheet

Aug. 1994 – Established Chang Young Co. ,Ltd
Oct. 1996 – Developed Auto Injection Machine (CY-800M1)
Nov. 1999 – Registered Patent of packer for injecting into concrete cracks
Feb. 2002 – Export to U.S.A
Jul. 2003 – Developed Auto Injection Machine (CY-800M2)
Mar. 2009 – Move to office to Gwacheon-dong
Oct. 2012 – Established factory at Siheung-si, Gyeonggi-do, Korea
Jan. 2013 ~ Now – Have exported to India, Canada, Singapore, Vietnam, Malaysia, etc
May. 2015 – Acquired the Certificate as E-trade Frontier Company
Dec. 2015 – Acquired the Certificate as Export Frontier Company
Apr. 2016 – Acquired ISO 9001 : 2008
Aug. 2016 – Developed New Auto Injection Machine (CY-1000)
Dec. 2016 - Company name changed to ConRepair Co.,Ltd.
Dec. 2016 - Participated into Exhibition "The Economic Times Ace Tech" in India
May.2017 - Participated into Exhibition "G-Fair in Mumbai" in India