| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1269.84 | USD | 20251121 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1269.3 | USD | 20251120 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1269.3 | USD | 20251120 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.18 | USD | 20251118 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.9 | USD | 20251117 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.74 | USD | 20251114 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.02 | USD | 20251113 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.59 | USD | 20251112 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1270.0 | USD | 20251111 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |