d2 ENGINEERING

R & DRailway R & D

Railway R & D

Established a research institute in 2004

Based on more than 20 years of experience in the field of electric railway design, supervision and construction Development of various key devices and fixtures

Continue to conduct research on own technologies including many national projects

We will do our best to be the leading research institute in the world with continuous research and development as the d2 technology research institute that will lead the electric railway field in the future.

Major Development: Spring type Automatic tensioning device (KRSB); Device and Fitting Materials for 350km / h high-speed railway line system; Brackets and Vibration Absorbers of Overhead Rigid Conductor System for High-speed System up to 250km/h; Oilless Wheel Type Automatic Tensioning Device for high speed Railway; Device and Fitting Materials for conventional line; Technology development on automatic changeover system in neutral section with energized condition of electric railway catenary system

Spring type Automatic tensioning device (KRSB)
Device and Fitting Materials for 350km / h high-speed railway line system
Brackets and Vibration Absorbers of Overhead Rigid Conductor System for High-speed System up to 250km/h
Oilless Wheel Type Automatic Tensioning Device for high speed Railway