| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 818.28 | USD | 20251101 |
| Zibo Lishuo Chem | China national standards | MT | 818.28 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 804.18 | USD | 20251101 |
| Jinan Jinhao Chem | China national standards | MT | 775.96 | USD | 20251031 |
| Jinan Aochen Chem | China national standards | MT | 747.74 | USD | 20251031 |
| Ningbo Zhetie Chem | China national standards | MT | 790.07 | USD | 20251031 |
| Jinan Jinhao Chem | China national standards | MT | 775.96 | USD | 20251031 |
| Jinan Aochen Chem | China national standards | MT | 846.5 | USD | 20251031 |
| Zibo Qixiang Chem | China national standards | MT | 846.5 | USD | 20251031 |
| Shandong Jinshenrun Chem | China national standards | MT | 747.74 | USD | 20251031 |