2009
  • The fifth plant named HT Electronic (Shixing) Co., Ltd was set up.
2003
  • Dongguan plant changed to Wholly Foreign Owned Enterprise (WFOE) and named HT Circuits (Dongguan) Co., Ltd.
  • The fourth plant was set up in Shajing.
1996
  • Second processing enterprise was set up in China - Dongguan.
1988
  • Change of company name to HT Circuits Ltd. and set up first processing enterprise in China - Shekou.
1981
  • Acquired by Dynamit Nobel (Hong Kong) Ltd. which was 100% hold by Dynamit Nobel AG in Germany.
2004
  • Qingdao branch changed to Wholly Foreign Owned Enterprise (WFOE)and named HT Circuits (Qingdao) Co., Ltd.
2001
  • Third manufacturing plant in China - Qingdao branch was set up.
1992
  • Shekou plant changed business mode to Wholly Foreign Owned Enterprise (WFOE) and named HT Electronic (Shenzhen) Co., Ltd.
1984
  • Change of company name to Nobel Circuits Ltd.
1968
  • Established in Hong Kong and named Winge Printed - Wiring Boards Ltd.