| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 817.21 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 817.21 | USD | 20251020 |
| Shandong Xima | China national standards | MT | 704.49 | USD | 20251020 |
| Shandong Xima | China national standards | MT | 704.49 | USD | 20251020 |
| Shandong Qiangsen Chem | China national standards | MT | 803.12 | USD | 20251020 |
| Shandong Qiangsen Chem | China national standards | MT | 803.12 | USD | 20251020 |
| Shandong Fusheng | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Laya Chem | China national standards | MT | 746.76 | USD | 20251020 |
| Shandong Langchem | China national standards | MT | 887.66 | USD | 20251020 |
| Shandong Jinwen Chem | China national standards | MT | 852.44 | USD | 20251020 |