| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1286.53 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 869.47 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1109.81 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 975.5 | USD | 20251204 |