| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1266.16 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Baishui Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1160.06 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1259.09 | USD | 20251211 |