| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 450.36 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 562.94 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 562.67 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 450.14 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1138.41 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 505.96 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 562.18 | USD | 20250928 |