| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.43 | USD | 20251209 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.65 | USD | 20251208 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1682.38 | USD | 20251204 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1680.93 | USD | 20251202 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.76 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.76 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.05 | USD | 20251128 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.29 | USD | 20251127 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1680.17 | USD | 20251125 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1679.68 | USD | 20251124 |