| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.0 | USD | 20251027 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.48 | USD | 20251024 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.2 | USD | 20251022 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.46 | USD | 20251021 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 781.99 | USD | 20251020 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.25 | USD | 20251018 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.25 | USD | 20251017 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 795.24 | USD | 20251011 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 710.79 | USD | 20251010 |