Futures staking artifact midday focus: Shanghai tin, Shanghai zinc formed a short accumulation zone, iron ore detonated multiple main selling fund bombs, a picture to understand the key market signals of lithium carbonate, coking coal, beans and other popular varieties. < br > < img src = "https://flash-scdn.jin10.com/109e9f22-2456-48eb-a154-bce79f1ff4a5.jpg" referrerpolicy = "no-referrer" >