| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 825.51 | USD | 20251113 |
| Shandong Jinwen Chem | China national standards | MT | 1044.24 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1100.68 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1100.68 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1079.52 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1255.91 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1284.13 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1107.74 | USD | 20251113 |
| Aite Zhejiang | China national standards | MT | 1030.13 | USD | 20251113 |