Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 1786-2025 via email in business day to be valid
YS/T 1787-2025 Aluminium and aluminium alloy cold drawn (rolled) tubes for aviation products via email in business day valid
YS/T 1788-2025 High performance copper-nickel-tin alloy strip and foil via email in business day valid
YS/T 1789-2025 Stannous isooctanoate via email in business day valid
YS/T 1790-2025 Titanium foil for flexible display screen via email in business day valid
YS/T 1791.1-2025 Methods for chemical analysis of high entropy alloyed powder—Part 1: Determination of iron, cobalt, nickel, chromium, manganese, titanium, aluminum, molybdenum and phosphorus contents—Inductively coupled plasma atomic emission spectrometry via email in business day valid
YS/T 1791.2-2025 Methods for chemical analysis of high entropy alloy powder—Part 2: Determination of carbon and sulfur contents—High frequency combustion-infrared absorption method via email in business day valid
YS/T 1791.3-2025 Methods for chemical analysis of high entropy alloy powder—Part 3: Determination of oxygen and nitrogen contents by pulse heating infrared absorption method, thermal conductivity method via email in business day valid
YS/T 1792-2025 The copper channel for superconducting wire via email in business day valid
YS/T 1793-2025 High-strength conductive copper alloy wire for automotive connectors via email in business day valid
YS/T 1794-2025 Ti(C, N) based hard materials via email in business day valid
YS/T 1795-2025 Method for chemical analysis of pyrite concentrate—Determination of effective sulfur content—High temperature combustion infrared absorption method via email in business day valid
YS/T 1796-2025 Determination method for surface chloric content of sponge zirconium via email in business day valid
YS/T 1797-2025 Molybdenum-vanadium-aluminium-chromium master alloy via email in business day valid
YS/T 1798-2025 Cobalt-rich matte via email in business day valid
YS/T 1799-2025 Lithium powder via email in business day valid
YS/T 18-1991 Technical conditions for casting wheel of copper anode sheet $90.00 via email in 1~3 business day abolished
YS/T 18-2024 Copper anode plate quantitative casting wheel via email in business day valid
YS/T 1800-2025 Rubidium sulphate via email in business day valid
YS/T 1801-2025 Technical specification for energy saving diagnosis in magnesium smelting enterprise via email in business day to be valid


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