| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.73 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1098.47 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.43 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1098.14 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.6 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.96 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250902 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |