| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.53 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.53 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.83 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.83 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.27 | USD | 20250818 |
| 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 |