| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.1 | USD | 20251119 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.28 | USD | 20251118 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.6 | USD | 20251117 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.5 | USD | 20251115 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.07 | USD | 20251113 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.42 | USD | 20251112 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.06 | USD | 20251111 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.17 | USD | 20251110 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.38 | USD | 20251108 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.38 | USD | 20251107 |