| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 849.86 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 849.86 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.18 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.18 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.28 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.28 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.28 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.28 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.68 | USD | 20250821 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.68 | USD | 20250821 |