History
DoranBlue is a proud Korean brand.
2004~
2004
09
Founded as Kyungdae Tech
10
Started office equipment rental business
2005~
2005
05
Developed Toshiba Fuser Picker Finger
2007
03
Established Paper Feeding Development Laboratory
05
Developed Paper Feeding Roller
2008
04
Developed Xerox Fuser Picker Finger
2009
08
Developed Sindoh Fuser Unit
2010~
2010
03
Developed Sindoh Toner Hopper Unit
2011
07
Developed Sindoh Cassette Unit
2012
05
Introduced Urethane Manufacturing Equipment
2013
11
Introduced Press Manufacturing Equipment
2014
05
Established Kyungdae Tech Co., Ltd.
2015~
2015
05
Opened Business-Exclusive Online Shopping Mall
12
Started Overseas Export Sales
2016
06
Registered Patent for Improved Reverse Feeding Roller Mechanism (plus 1 more)
2017
02
Registered DoranBlue Trademark
03
Registered Design for Copier Feeding Roller (plus 1 more)
10
Separated Rental Business
2018
03
Developed and Patented Smart Roller
04
Registered Design Patent for Copier Feed Detection Sensor Damage Prevention Device
2019
04
Published First Edition of DoranBlue Catalog
06
Registered Patent for Paper Feeding Device for Office Automation Equipment
2020~
2020
03
DoranBlue Catalog No.2 Published
2021
12
DoranBlue Catalog No.3 Published
12
DoranBlue English Catalog No.3 Published
2022
05
Manufacturing Plant Completed
07
Printer Feed Guide Design Patent Registered
07
DoranBlue Catalog No.4 Published
08
Entered Coupang Marketplace
08
Entered Naver Smart Store
2023
03
Design Patent Registration for Copier Toner Board Misalignment Prevention Device and 1 Other
04
Development of Canon Toner Hopper Unit
06
DoranBlue Trademark Change Registration (Current)
12
Utility Model Registration for Auxiliary Mounting Frame for Office Equipment Feed Roller
Introduction of Injection Molding Equipment
Launch of Embossing Roller
2024
01
Design Patent Registration for Can Component Jam Prevention Device for Toner Supply Device and 2 Others
Patent Registration for Copier Fuser Finger Mounting Structure
04
Acquisition of In-House R&D Department Certification
Start of Copier Cover Painting
05
Design Patent Registration for Feed Roller
08
Entered Amazon Marketplace
Entered Shopee Marketplace
10
Utility Model Registration for Breakage Prevention Component for Toner Supply Device
11
Launch of MaxPad and Premium Rollers
12
Introduction of ERP System
2025~
2025
02
Filed DoranBlue trademark applications in Thailand, China, and the United States
08
Joined eBay