| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1860.49 | USD | 20251017 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1859.99 | USD | 20251016 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1857.9 | USD | 20251011 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1801.6 | USD | 20251010 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1800.23 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1758.36 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1756.8 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1756.8 | USD | 20250927 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1756.8 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1759.15 | USD | 20250925 |