| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1271.67 | USD | 20251209 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1271.83 | USD | 20251208 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1271.38 | USD | 20251128 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1271.56 | USD | 20251127 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.72 | USD | 20251125 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.34 | USD | 20251124 |