| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1044.22 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1100.82 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1100.82 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1079.65 | USD | 20251110 |
| Shandong Fusheng | China national standards | MT | 1058.48 | USD | 20251110 |
| Shandong Yihe Chem | China national standards | MT | 818.56 | USD | 20251110 |
| Shandong Yihe Chem | China national standards | MT | 818.56 | USD | 20251110 |
| Shandong Zhenkun | China national standards | MT | 1079.65 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1129.05 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1129.05 | USD | 20251110 |