| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 960.51 | USD | 20251126 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 847.16 | USD | 20251114 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 964.5 | USD | 20251014 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 964.5 | USD | 20251014 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |