| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1003.34 | USD | 20251208 |
| Sinopec | China national standards | MT | 1003.34 | USD | 20251208 |
| Shandong Baishui Chem | China national standards | MT | 1696.14 | USD | 20251206 |
| Sinopec | China national standards | MT | 1003.55 | USD | 20251205 |
| Sinopec | China national standards | MT | 1003.55 | USD | 20251205 |
| Sinopec | China national standards | MT | 1003.55 | USD | 20251205 |
| Sinopec | China national standards | MT | 1003.55 | USD | 20251205 |
| Sinopec | China national standards | MT | 1003.55 | USD | 20251205 |
| CNPC | China national standards | MT | 1003.55 | USD | 20251205 |
| Shandong Baishui Chem | China national standards | MT | 1696.14 | USD | 20251205 |