| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1677.71 | USD | 20251021 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1676.69 | USD | 20251020 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1676.17 | USD | 20251015 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1675.56 | USD | 20251014 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1675.89 | USD | 20251013 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.92 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.92 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.92 | USD | 20251010 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.76 | USD | 20250930 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.71 | USD | 20250924 |