CERTIFICATES & AWARDS

Mitr Steel has developed continuously our production line in every productionprocedure to confirm that our customer will receive total qualified products to international standard

Achievement

Our strong commitment to maintain the highest quality standard products has earned us the supporting from BOI Promotion Privilege, the attainment of ISO  9001:2015 Certificate and Underwriters Laboratories Inc. : Standard Certification for Metallic Sprinkler Pipe, as well as receiving the permission to display Thailand Industrial Standard seal on all our products.


The ISO 9001:2015 quality management system, certified by the united Kingdom Accreditation Service (UKAS)

The ISO 9001:2015quality management system, certified by the National Accreditation Council of Thailand

Underwriters Laboratories Inc. : Standard Certification for Metallic Sprinkler Pipe

Standards : specification

Thailand Industrial Standard

TIS 427-2531

TIS 276-2532

TIS 277-2532

TIS 107-2533 HS 41, 50, 51 

TIS 1228 : 2549

International Standard

JIS G 3444 (STK 400)

JIS G 3452

JIS G 3457

JIS G 3466 (STKR 400)

ASTM A 53 (120) Grade A or B

ASTM A 53 - 87b

ASTM A 500: 1995

DIN 2440/2441

AWWA C 200

BS 534

BS 1387: 1985 (Class: L,M,H)