| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.44 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.63 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1092.88 | USD | 20250815 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250815 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.4 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.24 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1092.16 | USD | 20250812 |