| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1679.01 | USD | 20251121 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1678.3 | USD | 20251120 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1679.46 | USD | 20251118 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1680.41 | USD | 20251117 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1680.2 | USD | 20251114 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1679.25 | USD | 20251113 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1680.01 | USD | 20251112 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1679.23 | USD | 20251111 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1678.89 | USD | 20251031 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1679.27 | USD | 20251030 |