| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.3 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.3 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.73 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.73 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.54 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.54 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.23 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.23 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.01 | USD | 20250902 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.01 | USD | 20250902 |