We are SH DOOR TECH CO., LTD., which leads the 21st century with the best technology. We professionalize in planning, constructing, and installing special doors. We are established to help the special industry field such as enforcing defensive power of the army and preventing natural disasters and emergency measures facility.
 
Special doors are the main product of our company. Only few companies in the country are manufacturing them, and we are the leading one in this field, especially in the blast proof door area. We acquired the country's first functional ability test certificate from the Agency for Defense Development on the blast door 40Bar. Also, we acquired a patent on the closed structure to expand to abroad countries with our perfect closed structure technology and ISO 9001/ ISO 14001.
 
With the global competition era at hand, all the members of the Samhoon Doortech Co., Ltd will enforce the individual abilities in the company, build exclusive know-hows that are needed in the product manufacturing, and maximize the technology competition with innovative technology development to develop as a core, blue chip company in the special industrial field.

* Company History
- 05.03.2003   Establishment of SAMHOON MACHINERY
- 01.10.2004   Shifted to a corporation as SAMHOON Co., Ltd
- 15.11.2005   Registered a Patent (Closed Door Structure)
- 09.01.2006   Acquired ISO 9001 Certification
- 26.01.2006   Acquired ISO 14001 Certification
- 11.09.2006   Adopted the new business name "SAMHOON DOOR TECH CO.,LTD"
- 28.09.2006   Registered a Patent (Door Unlocking Device)
- 05.02.2007   Acquired INNO Biz Certification
- 27.02.2007   Registered a Patent (Locking Device and Door)
- 13.03.2008   Acquired Certification of UL 752 Level 7&8
- 02.06.2008   Selected as a Promising Export Firm
- 14.04.2009   Adopted the new business name "SH DOOR TECH CO., LTD"
- 04.05.2009   Aquired Certification of UL 10B (3-hour rating fire door test)