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GB 21370-2017 The norm of energy consumption per unit carbon product materials (USD) via email in 1-3 business day VALID
DB31/T 1214-2020 via email in 1 business day please email coc@codeofchina.com for quotation
GB 29442-2012 The norm of energy consumption per unit products of copper and copper-alloy sheet,strip,foil (USD) via email in 1-3 business day VALID
GB 20665-2015 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heaters and gas fired heating and hot water combi-boilers (USD) via email in 1-3 business day VALID
SJ 1411-1978 Detail specification for silicon NPN high-frequency high power transistors,Type 3DA5 (USD) via email in 1 business day VALID
GB/T 33857-2017 General principles for energy conservation assessment—Combined heat and power generation project (USD) via email in 1-3 business day VALID
SJ/T 10057-1991 Detail specification for electronic components-Case rated silicon rectifier diode,Type 2CZ60 (USD) via email in 1-3 business day
GB 38449-2019 Minimum allowable values of energy efficiency and energy efficiency grade of regenerative rolling reheating furnace (USD) via email in 1-3 business day VALID
GB/T 19939-2005 Technical requirements for grid connection of PV system (USD) via email in 1-3 business day VALID
DB31/T 223-2020 (USD) via email in 1-3 business day VALID
GB 26756-2011 The norm of energy consumption per unit products for extruded aluminium and aluminium alloy rods and bars (USD) via email in 1-3 business day VALID
GB/T 36674-2018 General technical requirements for the energy construction monitoring system in public institutions (USD) via email in 1-5 business day VALID
GB/T 16665-2017 Monitoring and testing for energy saving of air compressor unit and air distribution system (USD) via email in 1-3 business day VALID
GB/T 28749-2012 The method of drawing energy balance network diagram for enterprises (USD) via email in 1 business day VALID
SJ/T 10969-1996 Detailed specifications for electronic components - 3DG2636 silicon NPN ambient-rated transistors for high frequency amplification (Applicable for certification) (USD) via email in 1 business day ABOLISHED
GB/T 32038-2015 Monitoring and testing method for energy saving of illumination engineering (USD) via email in 1-3 business day VALID
GB 21521-2014 Minimum allowable values of energy efficiency and energy efficiency grades for copy machines,printers and fax machines (USD) via email in 1-3 business day VALID
GB 21248-2007 The norm of energy consumption per unit products of copper metallurgical enterprise (USD) via email in 1-3 business day ABOLISHED
DB31/ 701-2020 (USD) via email in 1 business day
GB/T 2587-1981 Energy equilibrium of heating devices;Common rules (USD) via email in 1-3 business day ABOLISHED
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