| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251121 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1100.06 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1100.58 | USD | 20251119 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251118 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.66 | USD | 20251116 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.66 | USD | 20251115 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.66 | USD | 20251114 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.02 | USD | 20251113 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.53 | USD | 20251112 |