History

History

  • 2004~2009
  • 2010~2019
  • 2020~Now
2004
  • Started business with “Okay Cold Heat”
2005
  • “Digital pressure switch” development completed
  • Moved into office building at Kopomo Techno Center
2006
  • Changed company name to Green System
  • Participated in the 8th Korea International Air Conditioning Exhibition
  • Completed development of digital multi-pressure switch
  • Registered as a family company at Hanyang University
  • Registered as a family company at Gyeonggi Institute of Technology
2007
  • Registered trademark of “Digipressor”
  • Registered utility model of digital multi-pressure switch for refrigeration equipment control
  • Participated in the 9th Korea International Air Conditioning Exhibition
  • Patent registration of digital multi-pressure switch for refrigeration equipment control
  • Selected as a clean workplace
2008
  • Started exporting Belarosi
  • CE certification
2009
  • Started development of "pressure switch" for firefighting
  • Turkey sample export
  • Exhibited at the 10th Korea International Air Conditioning Exhibition
  • Started exporting to Turkey
2010
  • Started exporting to Belarus
  • Completed development of “pressure switch” for firefighting
  • Recognized as a R&D department (Korea Industrial Technology Association)
  • Recognized as a specialized company for parts and materials (Korea Technology Center)
  • Registered as a family company at Gyeonggi Institute of Technology
  • DPC, MPC “CE” certification
  • ISO 9001 Certification
2011
  • Participated in the 11th Korea International Air Conditioning Exhibition
  • New Zealand DPC Export
  • Venture company registration
2012
  • Started development and sales of LPC differential pressure switch
  • Started sales of screw/reciprocating oil pressure switch (DPC-DIF)
  • Completed development of EEV controller and started selling
  • Developed FAN SPEED controller. Sales start (DPF-HL)
2013
  • Participated in the 12th Korea International Air Conditioning Exhibition
2014
  • Recognized as a specialized parts material company (Korea Technology Center)
2015
  • Participated in the 13th Korea International Air Conditioning and Air Conditioning Exhibition
2016
  • Accredited as an affiliated research institute
  • Completed development of fire-fighting start pressure switch
2017
  • Selected as an excellent company for field practice (Korea Polytechnic University)
  • Participated in the 14th Korea International Air Conditioning and Air Conditioning Exhibition
  • Joined as a member of Gyeonggi Incheon Machinery Industry Cooperative
2018
  • Succeeded in R&D of metal sensor and fan speed controller
  • Supply of “Sihwa Tidal Power Plant” to Water Resources Corporation
2019
  • Participated in the 15th Korea International Air Conditioning Exhibition
  • Launched fan speed controller mass production model (220V single-phase, 380V three-phase)
  • Completed INV development and started selling
2020
  • “KC” certification
  • DPF, DVS, LPC “CE” certification
  • OPC optional add-on “CE” certification
2021
  • Released phase control fan speed controller (220V~380V three-phase)
  • DPF3 sales start