| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.92 | USD | 20250821 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1094.17 | USD | 20250821 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1092.68 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 966.94 | USD | 20250819 |