| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.66 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.13 | USD | 20251129 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.13 | USD | 20251128 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.31 | USD | 20251127 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.01 | USD | 20251126 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1242.48 | USD | 20251125 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1242.11 | USD | 20251124 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1241.62 | USD | 20251122 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1241.62 | USD | 20251121 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1241.1 | USD | 20251120 |