| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 790.67 | USD | 20251125 |
| Wanhua Yantai | China national standards | MT | 790.67 | USD | 20251125 |
| Shandong Yaoming Chem | China national standards | MT | 833.03 | USD | 20251125 |
| Zibo Lishuo Chem | China national standards | MT | 847.15 | USD | 20251125 |
| Shandong Mingyu | China national standards | MT | 861.27 | USD | 20251125 |
| Sinopec | China national standards | MT | 790.67 | USD | 20251125 |
| Sinopec | China national standards | MT | 790.67 | USD | 20251125 |
| Sinopec | China national standards | MT | 790.67 | USD | 20251125 |
| Sinopec | China national standards | MT | 790.67 | USD | 20251125 |
| Sinopec | China national standards | MT | 790.67 | USD | 20251125 |