Trading varieties lead trading unit 25 tons/lot quotation (RMB)/ton minimum change price 5 yuan/day maximum fluctuation limit per ton shall not exceed 5% of the settlement price of the previous trading day. The contract delivery month is1-65438+February. Trading hours are 9: 00 am-65438+ 0: 30 pm, 65438+0: 30 pm. On the last trading day, the contract delivery month is 15. Place of delivery 8% of the minimum transaction margin contract value of the designated delivery warehouse of the exchange Minimum delivery unit 25 tons Physical delivery transaction code PB Listed exchange Shanghai Futures Exchange