| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 771.02 | USD | 20251211 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.29 | USD | 20251210 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.07 | USD | 20251209 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.17 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.33 | USD | 20251206 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.33 | USD | 20251205 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.5 | USD | 20251204 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.27 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.84 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.84 | USD | 20251202 |