| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 438.27 | USD | 20251204 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.21 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 438.14 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.89 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.89 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.89 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.17 | USD | 20251201 |