TMT’s Steel Products of certified MiT ( Made in Thailand ) from The Federation of Thai Industries. By categorizing steel products into 7 categories as follows:
- ASTM A53 Carbon Steel Pressure Pipes for Mechanical and Pressure Applications.
- TIS 107-2561 Carbon Steel Tubes for General Structure
- TIS 1228 – 2561 Cold-Formed Structural Steel Sections for General Structure
- TIS 1479 – 2558 Hot Rolled Flat Steel for General Structure
- TIS 1499 – 2541 Hot-Rolled Carbon Steel Coil, Strip, Plate and Sheet for Welded Structure
- TIS 276 – 2562 Carbon Steel Pressure Pipes
- TIS 258-2560 Hot-Rolled Flat Steel of Commercial and Drawing Qualities