| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.36 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.36 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.51 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.26 | USD | 20251126 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.81 | USD | 20251125 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.5 | USD | 20251124 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.09 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1043.65 | USD | 20251120 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.14 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251118 |