- 2002Participated in the introduction of DHL100 (diesel-hydraulic locomotives 100) from Niigata Transys Co., Ltd. and transferred the technology to Tang Eng Iron Works Co., Ltd. (now Taiwan Rolling Stock Co, Ltd.) and obtained contract from TRA.
- 2004TOSHIBA CORPORATION, a Japanese electric multiple unit power system manufacturer, entered Taiwan market, designated TeLung as its technical service window and allowed TeLung to obtain its rolling stock business.
- 2004Teams Rail-Tech Service Co., Ltd. was established, focusing on rolling stock technical services.
- 2004
Taiwan Railways Administration purchased tilting train, and TeLung assisted Hitachi, Ltd. in obtaining contract.
- 2004In response to future development of high speed rail market, technical staff were hired in Kaohsiung.
- 2004Before high speed train arrived in Taiwan, dispatched technical staff to TOSHIBA CORPORATION 's Fuchū factory to conduct professional training on 700T electrical systems and on-board monitoring equipment.
- 2005Taiwan Railways Administration produced Commuter EMU through industrial cooperation model in Taiwan. TeLung assisted TOSHIBA CORPORATION in obtaining EMU700 power system supply.
- 2005-2006Before commercial operation of Taiwan High Speed Rail Corporation (THSRC), TeLung’s technical staff were stationed in high speed rail base to cooperate with engineers of TOSHIBA CORPORATION for preparation, modification and test of 700T.
- 2006Kaohsiung office was established, rolling stock technical services were extended to southern Taiwan.
- 2006First tilting train from Hitachi, Ltd. was introduced by TeLung and arrived at Keelung Port.
- 2006Cooperated with China Steel Machinery Corporation for the bid of rolling stocks. TeLung imported three-axle bogies to China Steel Machinery Corporation, and it produced 50-ton freight cars for military use.
- 2006Cooperated with Mitsubishi Electric Corporation executed test, maintenance and warranty of Taipei MRT Xinlu Line Commuter EMU, laying foundation for future cooperation between two parties.
- 2007Imported self-guided bogies from Qiqihar, supplied China Steel Machinery Corporation with them to manufacture 35-ton freight cars.
- 2007Cooperated with China Steel Machinery Corporation, door machine renovation project of DMU / Juguang / EMU300 totaling 192 passenger coaches were carried out.
- 2007-2014
Commercial operation of Taiwan High Speed Rail(THSR) began, commissioned by TOSHIBA CORPORATION, executed maintenance and warranty of 700T electrical system.
- 2009承Commissioned by German SMA, executed warranty of Kaohsiung MRT Commuter EMU (orange line and red line) auxiliary power supply system.
- 2010Commissioned by Mitsubishi Electric Corporation, executed test, modification and warranty of Taoyuan MRT Commuter EMU power system.