certificate

International Organization for Standardization 9001 2015 (ISO)

ISO 9001:2015 Thai

ISO 9001:2015 English

ISO14001:2015

ISO 45001:2018

Thai Industrial Standard (TIS)

Steel Wire For Prestressed Concrete (PC Wire)

Steel Wires Strands For Prestressed Concrete (7 Wire PC Strand)

Cold Drawn Steel Wire

Low Carbon Steel Wire

Certificate Of Product Performance (ACRS)

Products assessed by ACRS to AS/NZS 4672:2007