| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250902 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.5 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.03 | USD | 20250829 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.61 | USD | 20250828 |