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YS/T 121-8-1992 via email in VALID please email coc@codeofchina.com for quotation
GB/T 32489-2016 Technical requirement of energy-saving operation for reheating furnace in steel rolling (USD) via email in 1-3 business day VALID
YB/T 4143-2006 (USD) via email in 1-3 business day ABOLISHED
YS/T 121-7-1992 via email in VALID please email coc@codeofchina.com for quotation
GB/T 36023-2018 Guides for energy efficiency assessment of prepainting process (USD) via email in 1-3 business day VALID
GB/T 34191-2017 Methods of determination and calculation of heat balance in straight grate process for pellet firing of iron and steel industry (USD) via email in 1-3 business day VALID
YS/T 119-3-1992 Methods for determination and calculation of heat balance of special equipments for alumina production (Upright lime furnace) via email in VALID please email coc@codeofchina.com for quotation
GB/T 34193-2017 Guides for energy efficiency assessment of blast furnace process (USD) via email in 1 business day VALID
GB/T 33785-2017 Specification for high radiative coating energy-saving technology (USD) via email in 1-3 business day VALID
YB/T 4269-2012 Specification of the freezing dehumidification before blast furnance blower via email in VALID please email coc@codeofchina.com for quotation
YS/T 118.3-1992 Methods of determination and calculation of heat balance in metallurgical furnaces for heavy non-ferrous metals (Waelz kiln) (USD) via email in 1-3 business day VALID
SN 0576-1996 Rules for the inspection of slag to be used as raw material for import (USD) via email in 1-3 business day ABOLISHED
YS/T 118.12-1992 Methods of determination and calculation of heat balance in metallurgical furnaces for heavy non-ferrous metals (Zinc refining column) (USD) via email in 1-3 business day VALID
GB/T 33969-2017 Technical specification for injecting pulverized coal with oxygen-enriched into blast furnace (USD) via email in 1-3 business day VALID
LD/T 42.4-1992 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 32956-2016 Methods of determination and calculation of heat balance in grate-kiln process forpellet firing system of iron and steel industry (USD) via email in 1-3 business day VALID
GB/T 37429-2019 Guides for energy efficiency assessment of electric arc furnace process (USD) via email in 1 business day VALID
YS/T 119.2-1992 Methods for determination and calculation of heat balance of special equipments for alumina production (Rotary kiln used calcining) (USD) via email in 1-5 business day VALID
YS/T 121.8-1992 (USD) via email in 1-5 business day VALID
YS/T 118.10-1992 Methods of determination and calculation of heat balance in metallurgical furnaces for heavy non-ferrous metals (Copper smelting reverberatory) (USD) via email in 1-3 business day VALID
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