| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250902 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.5 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.03 | USD | 20250829 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.61 | USD | 20250828 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.04 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 899.03 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 899.37 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 897.35 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 897.35 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 897.78 | USD | 20250821 |