Group 1: Metal Price and Change - SMM 1 electrolytic copper average price is 78,770, down 330; SMM flat - water copper premium is 155, down 15 [1] - SMM A00 aluminum average price is 20,520, down 70; SMM A00 aluminum premium is 0, up 20 [1] - Alumina (Shanxi) price is 3,220, down 5; Australian alumina FOB average price is 372 dollars, up 2 dollars [1] - SMM 1 lead ingot average price is 16,600, down 75; SMM 1 lead ingot premium to current - month futures at 10:15 is - 95, up 35 [1] - Recycled refined lead average price is 16,625, down 50; refined - scrap price difference is - 25, down 25 [1] - SMM 0 zinc ingot average price is 22,170, down 30; SMM 0 zinc ingot premium to current - month futures at 10:15 is - 35, up 5 [1] - SMM 1 tin average price is 267,500, up 1300; SMM 1 tin premium to current - month futures at 10:15 is - 360, down 666 [1] - 40% tin concentrate (Yunnan) average price is 255,500, up 1300; 40% tin concentrate (Yunnan)/SMM 1 tin ratio is 95.51% [1] - 1 imported nickel average price is 120,050, down 775; 1 imported nickel premium to SHFE nickel contract average price is 350, unchanged [1] - 1 Jinchuan nickel average price is 122,100, down 725; 1 Jinchuan nickel premium to SHFE nickel contract average price is 2400, up 50 [1] - Silicone 553 (Xinjiang) price is 9,500, down 200; 553 spot premium to current - month futures at 10:15 is 1240, up 175 [1] - 421 silicon (Kunming) average price is 9,850; polysilicon dense material average price is 0; granular silicon average price is 0; N - type polysilicon material average price is 47 [1] - Battery - grade lithium carbonate average price is 85,700, unchanged; battery - grade lithium carbonate premium to current - month futures at 10:15 is 4640, up 7420 [1] - Industrial - grade lithium carbonate average price is 83,400; battery - industrial lithium carbonate price difference is 2300, unchanged [1] Group 2: Analyst Information - Xiao Jing is the chief analyst, researching copper and tin, with从业资格证号 F3047773 and investment consulting number Z0014087 [1] - Liu Dongxia is a senior analyst, researching aluminum, alumina and gold, with从业资格证号 F3062795 and investment consulting number Z0015311 [1] - Wu Jiang is a senior analyst, researching nickel and stainless steel, silver and lithium carbonate, with从业资格证号 F3085524 and investment consulting number Z0016394 [1] - Sun Fangfang is a middle - level analyst, researching aluminum and zinc, with从业资格证号 F03111330 and investment consulting number Z0018905 [1] - Zhang Xiurui is a middle - level analyst, researching industrial silicon, with从业资格证号 F03099436 and investment consulting number Z0021022 [1]