| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1271.29 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 1073.54 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 1108.85 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 1108.85 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Yaoming Chem | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 974.66 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 988.78 | USD | 20251202 |