| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1484.12 | USD | 20251205 |
| Shandong Jinling | China national standards | MT | 1137.83 | USD | 20251205 |
| Dongying Huatai Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1265.04 | USD | 20251205 |
| Shandong Junfeng | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1434.65 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1060.09 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1434.65 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1399.31 | USD | 20251205 |