| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.06 | USD | 20250922 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250920 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.07 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.31 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.6 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.6 | USD | 20250905 |