| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 752.17 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 752.62 | USD | 20250918 |