| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 978.21 | USD | 20251010 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.73 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 977.47 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.73 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.41 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.41 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.41 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.92 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.92 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.92 | USD | 20250929 |