| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.44 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.44 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.02 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.02 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.76 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.76 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.35 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.35 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.35 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.35 | USD | 20250905 |