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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 equipments 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 in
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
• Acryl injection machine & Acrylic resin


Aug. 1994 – Established Chang Young Co.,Ltd.
Oct. 1996 – Developed Auto Injection Machine (CY-800M1)
Nov. 1999 – Registered the patent of packer for injecting into concrete cracks
Feb. 2002 – Started exporting to U.S.A
Jul. 2003 – Developed Auto Injection Machine with second transmission

Mar. 2009 – Move to office to Gwacheon-dong
Oct. 2012 – Established factory at Siheung-si, Gyeonggi-do, Korea
Jan. 2013 ~ Now – Have exported to U.S.A 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)
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