| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1337.12 | USD | 20251010 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.99 | USD | 20250930 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.99 | USD | 20250930 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.95 | USD | 20250924 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.95 | USD | 20250924 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.95 | USD | 20250923 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.03 | USD | 20250922 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.03 | USD | 20250922 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250919 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250919 |