| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 769.07 | USD | 20251106 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 768.68 | USD | 20251105 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.96 | USD | 20251104 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.16 | USD | 20251103 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.01 | USD | 20251031 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.19 | USD | 20251030 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.42 | USD | 20251029 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.28 | USD | 20251028 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.0 | USD | 20251027 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.48 | USD | 20251024 |