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YB/T 053-2016 Cored wires via email in VALID please email coc@codeofchina.com for quotation
GB/T 2774-2006 Manganese metal via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 30896-2014 Ferrovanadium nitride (USD) via email in 1-5 business day VALID
GBN 105-1981 via email in ABOLISHED please email coc@codeofchina.com for quotation
SN/T 1427-2004 Determination of silicon,iron,phosphorus in manganese metal—Inductively coupled plasma atomic emission spectrometry via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YB/T 4135-2016 Nitride ferrochrome with high nitrogen content via email in VALID please email coc@codeofchina.com for quotation
GB/T 5682-1995 Ferroboron via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 5682-1987 (USD) via email in 1-3 business day ABOLISHED
GBN 159-1982 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3795-2014 Ferromanganese (USD) via email in 1-3 business day VALID
SN/T 1964-2007 Rules of sampling for export ferromolybdenum via email in please email coc@codeofchina.com for quotation
GB/T 4137-1993 Rare-earth ferrosilicon via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 7737-1997 Ferroniobium (USD) via email in 1-3 business day ABOLISHED
GB 4007-1983 (USD) via email in 1-3 business day ABOLISHED
YB/T 547.1-1995 Methods for chemical analysis of vanadium slag—The ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide content (USD) via email in 1-3 business day ABOLISHED
GB/T 18249-2000 Ferroalloys-Experimental methods for checking the bias of sampling and sample preparation (USD) via email in 1-3 business day VALID
YB/T 053-2000 Cored wires via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 30061-2013 Ferromanganese-silicon nitride (USD) via email in 1-3 business day VALID
GB/T 4009-1989 Chromium silicon via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 4138-1984 (USD) via email in 1-3 business day ABOLISHED
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