| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1215.05 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.76 | USD | 20251126 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.24 | USD | 20251125 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.88 | USD | 20251124 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.4 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1212.89 | USD | 20251120 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.73 | USD | 20251118 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.41 | USD | 20251117 |