| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 974.66 | USD | 20251202 |
| Sinopec | China national standards | MT | 1155.47 | USD | 20251202 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Xima | China national standards | MT | 918.16 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 1000.08 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1398.42 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 1115.91 | USD | 20251202 |