| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.96 | USD | 20251117 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.83 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.83 | USD | 20251114 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.24 | USD | 20251113 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.71 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.22 | USD | 20251111 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251110 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.67 | USD | 20251107 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1043.71 | USD | 20251105 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1043.94 | USD | 20251104 |