| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 818.71 | USD | 20251029 |
| Shandong Yaoming Chem | China national standards | MT | 832.83 | USD | 20251029 |
| Shandong Yaoming Chem | China national standards | MT | 832.83 | USD | 20251029 |
| Sinopec | China national standards | MT | 818.71 | USD | 20251029 |
| Sinopec | China national standards | MT | 818.71 | USD | 20251029 |
| Sinopec | China national standards | MT | 818.71 | USD | 20251029 |
| Sinopec | China national standards | MT | 818.71 | USD | 20251029 |
| Sinopec | China national standards | MT | 839.89 | USD | 20251029 |
| Sinopec | China national standards | MT | 818.71 | USD | 20251029 |
| Shandong Kaitai Petro | China national standards | MT | 917.52 | USD | 20251029 |