| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1623.31 | USD | 20251029 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1623.01 | USD | 20251028 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1621.32 | USD | 20251021 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1620.33 | USD | 20251020 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1619.83 | USD | 20251015 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1619.24 | USD | 20251014 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1619.56 | USD | 20251013 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1618.62 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1618.62 | USD | 20251010 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1618.46 | USD | 20250930 |