| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Baishui Chem | China national standards | MT | 1695.06 | USD | 20251202 |
| Sinopec | China national standards | MT | 1002.91 | USD | 20251202 |
| Sinopec | China national standards | MT | 1003.41 | USD | 20251201 |
| Shandong Baishui Chem | China national standards | MT | 1695.9 | USD | 20251201 |
| Sinopec | China national standards | MT | 1003.41 | USD | 20251201 |
| Sinopec | China national standards | MT | 1003.41 | USD | 20251201 |
| Sinopec | China national standards | MT | 1003.41 | USD | 20251201 |
| Sinopec | China national standards | MT | 1003.41 | USD | 20251201 |
| CNPC | China national standards | MT | 1003.41 | USD | 20251201 |
| Sinopec | China national standards | MT | 1003.41 | USD | 20251201 |