| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 944.62 | USD | 20251025 |
| Shandong Laya Chem | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Jinshenrun Chem | China national standards | MT | 845.93 | USD | 20251025 |
| Shandong Xima | China national standards | MT | 972.82 | USD | 20251025 |
| Shandong Jinshenrun Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Laya Chem | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Xima | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Hongxin Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Xima | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Qiangsen Chem | China national standards | MT | 944.62 | USD | 20251024 |