| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.18 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.18 | USD | 20251018 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 323.72 | USD | 20251011 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 323.72 | USD | 20251010 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 323.69 | USD | 20251005 |