广期所品种仓单及变化如下：多晶硅期货仓单2780手，环比上个交易日持平；碳酸锂期货仓单10655手，环比上个交易日减少548手；工业硅期货仓单50215手，环比上个交易日减少43手。

Group 1 - The total futures warehouse receipts for polysilicon are 2,780 lots, remaining unchanged compared to the previous trading day [1] - The total futures warehouse receipts for lithium carbonate are 10,655 lots, showing a decrease of 548 lots compared to the previous trading day [1] - The total futures warehouse receipts for industrial silicon are 50,215 lots, reflecting a decrease of 43 lots compared to the previous trading day [1]