| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1098.17 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.73 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |