| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.75 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.47 | USD | 20251015 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.14 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.32 | USD | 20251013 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.8 | USD | 20251011 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.8 | USD | 20251010 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.12 | USD | 20251009 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20250930 |