Product pages have been updated.
June 9, 2023

Product pages have been updated.

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Added an introductory video about SIAM's manufacturing.
May 24, 2023

Added an introductory video about SIAM’s manufacturing.

Video of SIAM’s manufacturing Overview of Production Process Overview of Production Process[Part.1] Overview of Production Process[Part.2] Added an introductory video ...
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IATF16949 certified.
March 10, 2023

IATF16949 certified.

IATF16949 certified ...
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Green Industry (Level 3) certified.
October 31, 2022

Green Industry (Level 3) certified.

Green Industry (Level 3) certified ...
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Information about JOHNAN's original management system "Discipline & Rhythm" is added.
August 4, 2020

Information about JOHNAN’s original management system “Discipline & Rhythm” is added.

Information about JOHNAN's original management system "Discipline & Rhythm" is added ...
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Our name has been changed "JOHNAN SIAM CORPORATION LIMITED".
December 12, 2019

Our name has been changed “JOHNAN SIAM CORPORATION LIMITED”.

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Announcement of All Shares Acquisition of CELCO (THAILAND) CO.,LTD.
September 19, 2019

Announcement of All Shares Acquisition of CELCO (THAILAND) CO.,LTD.

Announcement of All Shares Acquisition of CELCO (THAILAND) CO.,LTD ...
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