| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 1074.46 | USD | 20251204 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 989.64 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 961.36 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 1046.19 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 869.47 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.95 | USD | 20251204 |