Group 1: Military Industry New Materials - The price of electrolytic cobalt has increased to 436,000 CNY/ton, with a week-on-week change of +3.1%. The price ratio of electrolytic cobalt to cobalt powder is 0.76, also up by +3.1% [4] - Carbon fiber price remains stable at 83.8 CNY/kg, with a gross profit of -9.19 CNY/kg [4] Group 2: New Energy Vehicle Materials - The prices of lithium carbonate and lithium hydroxide are 171,900 CNY/ton and 162,600 CNY/ton, reflecting week-on-week increases of +19.6% and +12.4% respectively [5] - Sulfuric cobalt price is stable at 95,300 CNY/ton [5] - The prices of lithium iron phosphate and 523-type cathode materials are 52,400 CNY/ton and 193,800 CNY/ton, with week-on-week changes of +0% and +3.4% respectively [5] - The price of praseodymium-neodymium oxide is 890.57 CNY/kg, up by +4.8% [5] Group 3: Photovoltaic New Materials - The price of photovoltaic-grade polysilicon is 6.16 USD/kg, showing a week-on-week decrease of -0.5% [6] - EVA price remains unchanged at 9,650 CNY/ton, at a low level since 2013 [6] - The price of 3.2mm photovoltaic glass coating is stable at 24.0 CNY/sqm [6] Group 4: Nuclear Power New Materials - Prices for zirconium-related materials such as oxychloride zirconium and sponge zirconium remain stable, while uranium price is 69.71 USD/lb, reflecting a week-on-week increase of +9.8% [7] Group 5: Consumer Electronics New Materials - The price of cobalt oxide is stable at 363,000 CNY/ton, while lithium cobalt oxide is priced at 402.0 CNY/kg [8] - Silicon carbide price remains unchanged at 5,600.00 CNY/ton [8] - The prices for high-purity gallium, crude indium, and refined indium are 1,950.00 CNY/kg, 4,650.00 CNY/kg, and 4,750.00 CNY/kg, with week-on-week increases of +1.6%, +9.4%, and +9.2% respectively [9] Group 6: Other Materials - The prices of platinum, rhodium, and iridium are 609.00 CNY/g, 2,900.00 CNY/g, and 1,855.00 CNY/g, with week-on-week changes of +17.1%, +4.5%, and +0% respectively [10]

Group 1: Military Industry New Materials - The price of electrolytic cobalt remains stable at 236,000 CNY/ton, with a week-on-week change of +0% [3] - The price of carbon fiber is 83.8 CNY/kg, also unchanged, with a gross profit of -8.56 CNY/kg [3] - Beryllium prices are stable this week [3] Group 2: New Energy Vehicle Materials - The price of Li2O 5% lithium concentrate at the Chinese port is 540 USD/ton, down by -0.92% week-on-week [4] - The prices of battery-grade lithium hydroxide, industrial-grade lithium hydroxide, and electric carbon are 59,800 CNY/ton, 60,600 CNY/ton, and 60,600 CNY/ton respectively, with changes of -0.1%, +1.21%, and -2.3% [4] - The price of cobalt sulfate is 47,700 CNY/ton, unchanged [4] - The prices of lithium iron phosphate and 523-type cathode materials are 30,300 CNY/ton and 104,800 CNY/ton, with changes of +0% and -0.7% respectively [4] - The price of praseodymium-neodymium oxide is 444.11 CNY/kg, up by +0.8% [4] Group 3: Photovoltaic New Materials - The price of photovoltaic-grade polysilicon is 4.25 USD/kg, down by -0.7% [5] - The price of EVA is 10,450 CNY/ton, unchanged, remaining at a high level since 2013 [5] - The price of 3.2mm photovoltaic glass coating is 24.0 CNY/square meter, unchanged [5] Group 4: Nuclear Power New Materials - The prices of zirconium-related materials are as follows: zirconium oxychloride at 14,750 CNY/ton, sponge zircon at 155 CNY/kg, hafnium oxide at 9,000 CNY/kg, zirconium silicate at 14,225 CNY/ton, and zircon sand at 14,012.5 CNY/ton, with various week-on-week changes [6] - The uranium price for May 2025 is 57.31 USD/pound, up by +8.8% [6] Group 5: Consumer Electronics New Materials - The price of cobalt oxide is 186,500 CNY/ton, unchanged, while lithium cobalt oxide is priced at 175.0 CNY/kg, also unchanged [7] - The price of silicon carbide is 5,600.00 CNY/ton, unchanged [7] - The prices of high-purity gallium, crude indium, and refined indium are 1,865.00 CNY/kg, 2,425.00 CNY/kg, and 2,525.00 CNY/kg respectively, with changes of -0.5%, +0%, and +0% [7] - The price of germanium dioxide is 9,900 CNY/kg, unchanged, with 50% used for optical fibers and 15% for electronic and solar devices; high-purity gallium is primarily used in semiconductors [7]