| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1308.97 | USD | 20251010 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1307.98 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1294.77 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1294.15 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250927 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1294.74 | USD | 20250925 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1294.74 | USD | 20250924 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1294.74 | USD | 20250923 |