| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 825.05 | USD | 20251120 |
| Shandong Jinwen Chem | China national standards | MT | 1043.65 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1078.91 | USD | 20251120 |
| Shandong Laya Chem | China national standards | MT | 1001.34 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Liao Jinxinda | China national standards | MT | 853.25 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1283.41 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1255.2 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1100.06 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1100.06 | USD | 20251120 |