| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.27 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.68 | USD | 20250815 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.68 | USD | 20250815 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.09 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.09 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.93 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.93 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.28 | USD | 20250811 |