| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.91 | USD | 20251209 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1625.12 | USD | 20251208 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1625.83 | USD | 20251204 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.43 | USD | 20251202 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1625.23 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.55 | USD | 20251128 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.78 | USD | 20251127 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1623.7 | USD | 20251125 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1623.22 | USD | 20251124 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1622.57 | USD | 20251121 |