| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.01 | USD | 20251127 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.88 | USD | 20251126 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.88 | USD | 20251126 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.65 | USD | 20251125 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.69 | USD | 20251125 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.56 | USD | 20251124 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.48 | USD | 20251124 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |