| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1017.34 | USD | 20251209 |
| Sinopec | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Zengyue Chem | China national standards | MT | 1024.4 | USD | 20251209 |
| Sinopec | China national standards | MT | 1017.34 | USD | 20251209 |
| CNPC | China national standards | MT | 1017.34 | USD | 20251209 |
| Sinopec | China national standards | MT | 1017.34 | USD | 20251209 |
| Sinopec | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Baishui Chem | China national standards | MT | 1695.56 | USD | 20251209 |
| Sinopec | China national standards | MT | 1017.34 | USD | 20251209 |
| Sinopec | China national standards | MT | 1003.34 | USD | 20251208 |