Company History
1965
Liow Ko was founded by Mr. Chen Liu in Changhua, Taiwan.
1970’s
Manufacturing sewing machines, sports equipment and other metal parts.
1980’s
Invested into bicycle parts production and had fast growth.
1990’s
Created No.2 factory and setup large tonnage hydraulic molding machine and forging machine, and to expand the precision stamping line.
 
2002.09
  • Established Dragontech Metallic(Shanghai) Co., Ltd., in Shanghai's
  • Songjiang Export Processing Zone franchise notebooks metal stamping parts production and become an important supplier of Quanta Computer.
2004.06
  • Successful development
  • production of apple macbook cover case and desktop computer stand.
2006.08
  • Successfully applied forging technology to produce Apple iPod aluminum case(capacity 5K pcs/day)
2007.07
  • Established Dragoncity Metallic(Changshu) Co., Ltd., in high-tech park in Suzhou, Changshu City
2008.02
  • Established TWDT Precision Co., Ltd.(Dragontech), in Changhua, Taiwan
2008.04
  • Setup a "New Product Division"
  • was responsible for bike transmission system design, development and production.
2011.06
  • Expansion of the product to notebook, mobile phones, tablet computers and other consumer electronic products, as well as bicycles, cars and motorcycles OEM / ODM parts manufacturing.
2012.03
  • Successfully developed and mass-produced forged ISIS hollow spindle and applied for the patents
2013.06
  • Started mass production for 2D & 3D hollow forged crank sets.
2015.01
  • Self-branded Praxis bicycle products successfully entered the OEM and end consumer market.
2017.02
  • Developed Carbon RTM process.
2019.04
  • Developed E-bike motor components and started mass production.
2020.01
  • Improved technology successfully developed and started mass production for one piece carbon saddle.
2020.12
  • Overall crank sets reach 35K per year, and still increasing.
 
TOP