| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.46 | USD | 20251030 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1128.92 | USD | 20251030 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.35 | USD | 20251030 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.51 | USD | 20251029 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.59 | USD | 20251029 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.51 | USD | 20251028 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.41 | USD | 20251028 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.22 | USD | 20251027 |