| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 855.09 | USD | 20251210 |
| Shandong Jinwen Chem | China national standards | MT | 855.09 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 890.42 | USD | 20251210 |
| Shandong Fusheng | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Xima | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Xima | China national standards | MT | 706.68 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 819.75 | USD | 20251210 |