| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.29 | USD | 20251119 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.41 | USD | 20251118 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251118 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.51 | USD | 20251118 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.75 | USD | 20251117 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.72 | USD | 20251117 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.65 | USD | 20251115 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.7 | USD | 20251115 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.54 | USD | 20251115 |