| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 790.67 | USD | 20251125 |
| Zibo Lishuo Chem | China national standards | MT | 847.15 | USD | 20251125 |
| Sinopec | China national standards | MT | 790.44 | USD | 20251124 |
| Sinopec | China national standards | MT | 790.44 | USD | 20251124 |
| Aite Zhejiang | China national standards | MT | 882.18 | USD | 20251124 |
| Aite Zhejiang | China national standards | MT | 882.18 | USD | 20251124 |
| Shandong Yaoming Chem | China national standards | MT | 832.78 | USD | 20251124 |
| Shandong Yaoming Chem | China national standards | MT | 790.44 | USD | 20251124 |
| Shandong Aite Chem | China national standards | MT | 889.24 | USD | 20251124 |
| Shandong Aite Chem | China national standards | MT | 945.7 | USD | 20251124 |