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America(ASME)

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Association of American Railroads(AAR)

China(CB)

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China(EJ)

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RCC(RCC)

Polish Register of Ships(PRS)

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DET NORSKE VERITAS(DNV GL AS)

Rules for the Survey and Construction of Steel Ships(NK)

Spain(UNE)

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CISA(T/CISA)

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Vietnam Standard(TCVN)

ChinaBaoSteel(Q/BQB)

ChinaAnSteel(Q/ASB)

ChinaShouSteel(Q/SG)

SwedenSSAB(SSAB)

ThyssenKrupp(TKSE)

ArcelorMittal South Africa(AMSA)

Korea Posco(KP)

ChinaHanSteel(Q/HG)

ChinaNanSteel(Q/NG)

ChinaXinyuSteel(Q/XGJX)

ChinaWuSteel

ChinaTangSteel(Q/TSB)

ChinaChengdeSteel(Q/CB)

ChinaXingchengSteel(Q/320281)

ChinaJiSteel(Q/JG)

ChinaTaiSteel(Q/太新)

ChinaXichangSteel(QJ/XC)

ChinaTangShanGuoFeng(Q/TGF)

ChinaXiangSteel(Q/OHAB)

ChinaMaSteel(Q/MGB)

ChinaBaotouSteel(Q/BG)

ChinaRiSteel(Q/1100RGG)

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Special Metals Company(SMC)

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NIPPON STEEL&SUMITOMO METAL(NSSMC)

JFE(JFE)

HYUNORI STEEL(HYUNORI)

MINMETALS YINGKOU MEDIUM PLATE(Q/WKYG)

ZENITH STEEL(Q/320412 ZTG)

KOBELCO(KOBELCO)

Tsingtuo(Q/TT)

Laiwu Steel(Q/371202LGFY)

Hangzhou Steel(Q/HGJ)

ChinaESteel(Q/EG)

ShaSteel(Q/320582 SGY)

ShaSteel(Q/320582 YZL)

BM Steel(Q/BM)