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History

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Date Events
Jun. 1974 Established Tension Electronics Co., LTD in Taipei, and bought industrial state in Taoyuan.
Jun. 1980 Established Tension Steel Industries Co., Ltd.
Jun. 1990 Established Hsinchu Factory.
Oct. 1990 Approbate public offering.
Nov. 1994 Import the pipes' hot dip galvanizing production line from Japan.
Sep. 1996 Acquire ISO9001 Certificate from The Bureau of Standards, Metrology and Inspection (BSIM), Ministry of Economic Affairs, Taiwan, R.O.C.
Dec. 1996 Win the CNS Certificates from Ministry of Economic Affairs, Taiwan, R.O.C.
Jun. 2004 Established Gangshan Factory.
2009 Got API Certification.
2014 Established LuZhu Factory, square measure:9,600㎡,., new API (Sizes: 2-3/8~5-1/2) production line for 2000-3000 MT/per month.
2019 Obtained JIS Certification
2020 A new HDG production line was installed at Gangshan mill and started to develop the market.
2021 New production line installed at Luzhu mill. Product size range expanded. Smart manufacturing implementation starts.
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