Our Heritage Journal
2017 - Present
2012 - 2016
2007 - 2011
2002 - 2006
1997 - 2001
1992 - 1996
1987 - 1991
Certified Green Label From Thailand Environment Institute
Supplied 5 units of 300 MVA 230 kV To EGAT
Supply 2 units of 300 MVA 230/69 kV to MEA.
Achieved for the Prime Minister’s export award again.
Achieved a certificate of BS OHSAS 18001:2007 for Occupational Health and Safety Management system from MASCI
Achieved a Short Circuit certificate from KEMA / NETHERLAND for 50 MVA 115/23.1 kV
2 units of 200 MVA 230-121-22 kV transformer to EGAT.
Transformed to Tirathai Public Company Limited and listed in the Stock Exchange of Thailand (SET)
Achieved a certificate of TIS 14001-2548 (ISO-2004) from MASCI
Achieved a certificate of acceptance for manufacturing 300 MVA 230 kV from EGAT.
Achieved the quality assurance system ISO9001 certificate from Bureau Veritas Quality International (BVQI) and Thai Industrial Standards Institute (TISI)
Achieved for the Prime Minister’s export award and approved products for Thailand’s Brand
Certified laboratory in accordance with TIS1300 (ISO/IEC Guide 25)
Achieved a certificate from SABS Mark (South Africa Bureau of Standard)
Joint venture with HTT AG/GERMANY to produce for Dry type cast resin
License agreement with EBG / AUSTRIA for manufacturing of power transformer
License agreement with FUJI ELECTRIC / JAPAN for distribution and power transformer
Tirathai Company Limited was established by a group of engineers and specialists in the manufacturing of electric transformers with several years of expertise derived from Siriwiwat (1972) Co.,Ltd. The first standard transformer manufacturer in Thailand
Certified TIS 384-2525 from Thai Industrial Standards Institute (TISI)