| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 999.23 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 997.86 | USD | 20250928 |