| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1384.71 | USD | 20251209 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1384.88 | USD | 20251208 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1385.49 | USD | 20251204 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1384.3 | USD | 20251202 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1384.98 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1384.4 | USD | 20251128 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1384.59 | USD | 20251127 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1383.67 | USD | 20251125 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1383.26 | USD | 20251124 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1382.72 | USD | 20251121 |