NewsIATF16949 certified. Posted on March 10, 2023June 13, 2024 by johnan IATF16949 certified. For more information, click here. Green Industry (Level 3) certified. Added an introductory video about SIAM’s manufacturing.
![[JOHNAN SIAM]](https://www.johnan.co.th/wp-content/uploads/2024/02/mark_logo-RGBwiง–พ-1024x157.png){kind=logo}
