[Tongguan Copper Foil: Net profit in the third quarter increased by 345% year-on-year and 13% month-on-month, and the selling price of copper foil products increased] On October 27, Tongguan Copper Foil (301217.SZ) announced that its operating income in the third quarter was 2.512 billion yuan, a year-on-year increase of 44.58%; net profit was 124 million yuan, a year-on-year increase of 345.34%. Operating income in the first three quarters was 6.533 billion yuan, a year-on-year increase of 37.99%; net profit was 339 million yuan, a year-on-year increase of 439.75%. The change in performance was mainly due to the increase in selling prices of copper foil products. Xiaocai Note: The company’s Q3 net profit was 124 million, and Q2 net profit was 109 million. Based on this calculation, Q3 net profit increased by 13% month-on-month.