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R&D
R&D Center

R&D Center

R&D Center History

  • 2006. 05

    Company R&D Center opened(Industrial Technology Promotion Association)

  • 2006. 06

    Obtained INNO-BIZ certificate

  • 2006. 06

    Completed parts/materials technology development project (hydraulic main pump)

  • 2007. 02

    Tata Daewoo Co., Ltd. 15ton GEAR PUMP ASS`Y development

  • 2007. 03

    For heavy equipment REMOTE CONTROL VALVE ASS`Ydevelopment

  • 2007. 05

    For heavy equipment PEDAL VALVE ASS`Y development

  • 2007. 05

    PTO localization developed for commercial vehicles of 5-ton or over (Industrial Technology Promotion Association)

  • 2007. 10

    SERVO VALVE ASS`Y development

  • 2007. 10

    DOUBLE POWER TAKE OFF ASS`Y National project development

  • 2007. 10

    Buses BEVEL BOX? ASS`Y Began development for- National project

  • 2008. 02

    24ton DUMP TRUCK MODULE SYSTEM development

  • 2008. 03

    SINGLE POWER TAKE OFF In-house development

  • 2008.

    POWER STEERING Gear module localization development for ultra-precision control

  • 2009.

    Commercial vehicle 24TON over DUMPING CONTROL UNITE over localization development

  • 2009. 09

    Buses BEVEL BOX Assy development

  • 2010. 02

    25.5ton DUMP TRUCK Bent axis PISTON PUMP localization development

  • 2010. 06

    25.5ton DUMP TRUCK MODULE SYSTEM development

  • 2010. 06

    5ton DIRECT, For OFFSET POWER TAKE OFF development

  • 2011. 02

    High-HP power cylinder for multi-shift TM development

  • 2011. 02

    High-HP trochoid oil pump for multi-shift TM development

  • 2011. 11

    Gear pump, gear motor for hybrid bus cooling system development

  • 2013. 10

    5Ton for excavator Pump localized proportional control valve development

  • 2016. 10

    High-HP hydraulic auxiliary braking device for commercial vehicles (retarder) development

  • 2018. 06

    Aluminum all-in-one for RCV Housing, Port Plate development

  • 2019. 12

    Dozer Valve Prototype development

P/SHIFT Operation description
Gear pump operation description
National project performance
parts/materials technology development project: 9 cases
  • ONE ROD TYPE POWER SHIFT for 5-ton commercial vehicles or over
  • Hydraulic main pump for excavator
  • PTO localization development for 5-ton commercial vehicles or over
  • BEVEL GEAR module localization development for ultra-precision power steering control
  • 24~5-TON DUMPING CONTROL UNIT localization development
  • Self-support and positive displacement piston pump for special vehicles
  • Developed trochoid oil pump, power cylinder, PTO for high-HP multi-shift TM
  • Developed gear pump, gear motor for hybrid buses
  • Developed 3500-Nm brake speed controlling hydraulic auxiliary brake device for commercial vehicles
Major certification
  • ISO 9001/ ISO 14001 certification
  • ISO/ IATF 16949
  • R&D Center opened: June 08, 2006
  • INNO-BIZ certificate: June 23, 2006

Youngdong Tech Co., Ltd. has established the following fundamental quality policy and goal for continuous growth and developed by designing/establishing quality management system based on the requirements of ISO 9001 / ISO 14001 for suitability, and designing/developing/manufacturing quality products through continuous improvements.

Intellectual Property Rights – Hydraulics/Pneumatics
No. Patent No. Name of Patent
1 10-0901842 Power shift
2 10-1043600 Power device
3 10-1062159 Housing of hydraulic control valve and method thereof
4 10-1082821 Hydraulic control valve
5 10-1649590 Power takeoff unit
6 10-1779360 Excavator pedal valve
7 10-1900755 Spring combination structure of pusher for supporting pump
8 10-1925511 Hydraulic pressure valve of assistance brake apparatus for vehicle
9 10-1925513 Hydraulic pressure valve of assistance brake apparatus for vehicle
10 10-1925516 Hydraulic pressure valve of assistance brake apparatus for vehicle
11 10-1961929 Oil equalizer for retarder
Utility model
20-0439539 Power take-off for automobile