| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1510.11 | USD | 20251028 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1508.53 | USD | 20251021 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1507.62 | USD | 20251020 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1507.15 | USD | 20251015 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1506.6 | USD | 20251014 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1506.89 | USD | 20251013 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1506.02 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1506.02 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1506.02 | USD | 20251010 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1505.88 | USD | 20250930 |