| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Yaoming Chem | China national standards | MT | 833.93 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 947.01 | USD | 20251205 |
| Wanhua Yantai | China national standards | MT | 791.53 | USD | 20251205 |
| Wanhua Yantai | China national standards | MT | 897.54 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 848.07 | USD | 20251205 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251205 |
| Sinopec | China national standards | MT | 890.47 | USD | 20251205 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251205 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251205 |