Group 1 - The average price of A00 aluminum on February 13 is 23160, down by 190 from the previous average of 23297 over the last three days and 23284 over the last five days [1][2] - The price range for A00 aluminum is reported at 23180-23140 [1][2] - The price of 1 copper decreased by 1800, with an average price of 100400 [1][2] Group 2 - The average price of aluminum is 16500, down by 75 [1][2] - The average price of 0 zinc is 24350, down by 120 [1][2] - The average price of tin is 378650, down by 12900 [1][2] - The average price of old copper is 140200, down by 5250 [1][2]