| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 867.84 | USD | 20251111 |
| Hubei 789 Chem | China national standards | MT | 1298.22 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 1058.34 | USD | 20251111 |
| Sinopec | China national standards | MT | 1248.84 | USD | 20251111 |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 1107.72 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 867.84 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 867.84 | USD | 20251111 |
| Sinopec | China national standards | MT | 1227.67 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 867.96 | USD | 20251110 |