| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.22 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.89 | USD | 20251129 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.89 | USD | 20251128 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.0 | USD | 20251127 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.82 | USD | 20251126 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.49 | USD | 20251125 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.26 | USD | 20251124 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 768.96 | USD | 20251122 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 768.96 | USD | 20251121 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 768.63 | USD | 20251120 |