| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1227.06 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 874.46 | USD | 20251105 |
| Shandong Hanyue Chem | China national standards | MT | 930.88 | USD | 20251105 |
| Zibo Lishuo Chem | China national standards | MT | 987.29 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 1382.21 | USD | 20251105 |
| Shandong Hanyue Chem | China national standards | MT | 930.88 | USD | 20251105 |
| Zibo Lishuo Chem | China national standards | MT | 987.29 | USD | 20251105 |
| Shandong Xima | China national standards | MT | 973.19 | USD | 20251105 |
| Zibo Lishuo Chem | China national standards | MT | 987.29 | USD | 20251105 |
| Zibo Lishuo Chem | China national standards | MT | 987.29 | USD | 20251105 |