History
-  1959 -  SeptemberEstablishment of the first professional steel pipe factory in Taiwan
 
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-  1970 -  SeptemberAuthorized as a Class-A QC Factory by Bureau of Standards, Metrology and Inspection.
 
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-  1980 -  JuneIndependent and successful development of carbon steel pipes for mechanical structures
 
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-  1988 -  MayNuclear Quality Department of Taipower authorized the qualification for manufacturing of steel galvanized wire and steel pipes.
-  NovemberEstablishment of additional professional stainless steel pipe factories
 
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-  1993 -  FebruaryListed on TWSE, Stock Code 2020
 
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-  1995 -  NovemberISO-9001 certification by Bureau of Standards, Metrology and Inspection, Ministry of Economic Affairs
 
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-  2005 -  JanuarySGS ISO14001 certification
-  JanuarySGS OHASA18001 certification
 
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-  2006 -  OctoberEstablishment of VIETNAM MAYER CORP., LTD.
 
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-  2013 -  DecemberInvestment in GRAND TECH PRECISION MANUFACTURING (THAILAND) CORPORATION LIMITED
 
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-  2017 -  JuneInvestment in DIAMOND STEEL TUBE ENTERPRISE CO., LTD.
 
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-  2019 -  MayEstablishment of Mayer Inn Corporation
-  DecemberISO45001 certification by Metal Industries Research & Development Centre
 
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-  2021 -  DecemberInvestment in Mei Yi Construction Co., Ltd.
 
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