| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Zhenkun | China national standards | MT | 1081.13 | USD | 20251201 |
| Shandong Laya Chem | China national standards | MT | 1003.41 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1257.79 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Jinwen Chem | China national standards | MT | 1045.8 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1102.33 | USD | 20251201 |