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history
2013. 2013. 11 - DH TUBE 2nd factory established
- Offical company name changed to DH Tube
2013. 1 - Global Small Giant Enterprise Authentication
2012. 2012. 12 - 49th Trade Day; $5Milion Export Tower Award
2011. 2011. 12 - 48th Trade Day $3Million Export Tower Award Prize from Minister of Knowledge Economy
- 48th Trade day Knowledge Economy Minister award citation
2011. 02 - Venture Enterprise Authentication
2010. 2010. 12 - Gyeongsangnam-do enterprise of middle standing sector, an export medal for merit award
2010. 07 - Export Specialized Company
2008. 2008. 12 - Promising Export Firm
2008. 11 - 45th Trade day $1Million Export Tower award
- President Knowledge Economy Minister award citation(Trade day)
- Executive director Knowledge Economy Minister award citation(Trade day)
- Production environment renovation technique development work success.
  (Small and Medium Business Administration)
2008. 06 - Inno-Biz Enterprise authentication
2006. 2006. 07 - ISO/TS 16949:2002 Convert Certification [OQS]
- ISO 14001 Certified [HSB-RS KOREA]
2004. 2004. 02 - ISO/TS 16949:2002 Certificated [NIS ZERT]
2002. 2002. 07 - Established R & D Center
2000. 2000. 03 - ISO 9002:1994 & QS-9000 Certificated by [TUV Rheinland korea]
1999.
~
1989.
1999. 06 - Export Tube Assembly for Power Train System
1998. 06 - Produced flow-adjusting value system for industry machinery and vehicle pump
1997. 02 - Produced the Oil Pressure for steering gear Pipe Assy,Brake Tube ASM
1996. 03 - Produced the Oil Pick Up Tube Assembly for Engine
1989. 05 - DaeHyun Tube Co.,Ltd established
Powertrain, Oil Pickup Tube, Power Pump, Air Conditioning, Power Steering, Machined Part & Press Part, Machined Part, Press Part, Coolant Tube, FUEL Supply, EGR Tube, Transmission Cooler(TOC) Tube, Tube Assembly for Transmission Oil Spray, Pressure Sensing Tube, Transmission for Hose & Tube Assembly, Return Tube Assembly, Fitting Assembly, Union, 90˚Return Tube Assembly, Tube Assembly for Vacuum Pump, Water Pump, Fluid Control Tubing for Heater, Fluid Control Tubing for Condenser, Fluid Control Tubing for Cooling Module, Fluid Control Tubing for Air conditioning Hose Assembly, Machined part, DHTube, DH tube